BRUSSELS, Belgium, October 23, 2026: Arthur Fils needed six match points to finally overcome Alex Michelsen 6-4, 7-6(12) in a gripping BNP Paribas Fortis European Open quarterfinal on Friday, surviving two set points against him before winning a 26-point tiebreak. The French top seed advanced to the semifinals after one hour and 50 minutes, joining Tallon Griekspoor and Francisco Cerúndolo among the confirmed winners at the ATP 250 tournament in Brussels.
Griekspoor recovered from a set down to beat second seed Jiří Lehečka 4-6, 6-4, 6-3, while third seed Cerúndolo ended qualifier Clément Chidekh’s run with a 6-2, 6-4 victory. The results exposed three different forms of competitive pressure: Fils squandered a chance to serve out his match, Griekspoor overcame a difficult start and the defending tournament finalist’s resistance, and Cerúndolo maintained control against a lower-ranked opponent who had already eliminated an established seed. Griekspoor and Cerúndolo will meet in Saturday’s semifinals.
Brussels European Open 2026: Quarterfinal Results and Semifinal Picture
The three confirmed quarterfinal winners emerged from matches with sharply contrasting demands.
Fils, ranked world No. 10 and seeded first, survived a closing stretch in which Michelsen repeatedly threatened to extend the contest. Griekspoor, ranked No. 60, overcame world No. 20 Lehečka, who had reached the European Open final in each of the previous two years.
Cerúndolo, ranked No. 21, delivered the most comfortable result, defeating qualifier Chidekh in straight sets.
| Winner | Opponent | Score | Match Duration | Key Detail |
|---|---|---|---|---|
| Arthur Fils (1) | Alex Michelsen (5) | 6-4, 7-6(12) | 1h 50m | Won a 26-point tiebreak |
| Tallon Griekspoor | Jiří Lehečka (2) | 4-6, 6-4, 6-3 | 2h 17m | Recovered after losing the first set |
| Francisco Cerúndolo (3) | Clément Chidekh (Q) | 6-2, 6-4 | Not independently confirmed | Ended the qualifier’s run |
The European Open is an indoor hard-court ATP 250 event taking place in Brussels from October 19-25.
One quarterfinal remained outside this verified results package: sixth seed Zizou Bergs against Jan-Lennard Struff. Their winner occupies the remaining semifinal position opposite Fils. The result should be confirmed through the official draw rather than assumed.
Arthur Fils Survives Six Match Points to Beat Alex Michelsen
Fils appeared to have the contest under control when he led 6-4, 5-3.
The Frenchman had already established a physical advantage through aggressive forehands and effective returning. Michelsen had competed strongly, but Fils seemed to have created enough separation to finish in straight sets without serious late drama.
That expectation disappeared when the American broke back as Fils attempted to close out the contest.
The missed opportunity changed the immediate balance of the match. Michelsen suddenly had another chance to force a deciding set, while Fils faced the task of restoring his concentration after allowing a winning position to slip.
The second set eventually reached a tiebreak, where the contest became increasingly tense.
Fils earned his first match point at 6-5 but could not convert.
Michelsen then moved ahead 7-6 and later 8-7, creating two set points of his own.
The American was now two points away from taking the match into a third set, an outcome that would have represented a remarkable recovery from his earlier position.
Fils saved both opportunities.
He then continued attacking whenever Michelsen provided an opening, but the American refused to concede.
Four more match points passed without a winner.
Eventually, on his sixth opportunity, Fils completed the tiebreak 14-12 and secured a place in the semifinals.
How the 14-12 Tiebreak Turned Into a 26-Point Battle
The extended tiebreak offers a useful example of the difference between controlling a match and actually finishing it.
| Tiebreak Score | Opportunity | Outcome |
|---|---|---|
| 6-5 Fils | Fils’ first match point | Michelsen survives |
| 7-6 Michelsen | Michelsen’s first set point | Fils saves it |
| 8-7 Michelsen | Michelsen’s second set point | Fils saves it |
| 9-8 Fils | Fils’ second match point | Michelsen survives |
| 10-9 Fils | Fils’ third match point | Michelsen survives |
| 11-10 Fils | Fils’ fourth match point | Michelsen survives |
| 12-11 Fils | Fils’ fifth match point | Michelsen survives |
| 13-12 Fils | Fils’ sixth match point | Fils converts to win 14-12 |
TSE statistical insight: The tiebreak contained 26 points, compared with the minimum seven points required to win an ordinary tiebreak without the opponent scoring. Michelsen saved five match points, while Fils saved two set points.
Across the seven finishing opportunities that went unconverted, both players were forced to keep resetting their approach rather than treating the next point as a routine continuation of the previous one.
The crucial distinction is that Michelsen was trying to force a third set. Fils was attempting to end the match.
Fils ultimately won the contest in two sets, but the scoreline conceals how close he came to playing a decider.
Why Fils’ Aggressive Forehand Was Both His Strength and His Risk
The underlying statistics offer a clearer explanation of why the quarterfinal became so difficult to close.
Fils produced 25 winners, including 18 from his forehand, compared with Michelsen’s 12 winners.
That advantage reflected the Frenchman’s ability to create opportunities through powerful groundstrokes and impose himself early in exchanges.
However, his aggression also generated more mistakes.
Fils committed 31 unforced errors, including 20 on the forehand side. Michelsen made only 18 unforced errors.
The American played a more controlled game, particularly when rallies extended beyond the first few exchanges.
Fils’ second serve presented another opportunity for Michelsen. The Frenchman won only 35% of points behind that delivery, leaving him vulnerable whenever his first serve missed.
| Statistic | Arthur Fils | Alex Michelsen |
|---|---|---|
| Winners | 25 | 12 |
| Unforced errors | 31 | 18 |
| Break points converted | 3/4 | 2/4 |
| Second-serve points won | 35% | 43% |
| Rallies of nine shots or more won | 8 | 14 |
| Net points won | 11/16 | 15/25 |
| Total games won | 13 | 10 |
| Second-set tiebreak points | 14 | 12 |
The figures show two different methods of building points.
Fils enjoyed greater success creating outright winners. Michelsen was more effective in longer exchanges and made fewer errors overall.
Those competing strengths help explain why the American was able to threaten a third set even after falling behind 5-3 in the second.
The match also demonstrates why a high winner count cannot be considered independently of the errors accompanying it.
Fils finished with 13 more winners than Michelsen, but also committed 13 more unforced errors. Those two differences cancel each other numerically, although they do not describe every point or establish that the players’ attacking performances were equivalent.
Fils’ ultimate advantage came through the timing of his successful points, especially his ability to save two set points and convert the match point that finally ended the contest.
From Cincinnati Glory to Another Brussels Escape: Fils’ Season Has a Familiar Theme
The tension in Brussels was hardly unfamiliar territory for the 22-year-old Frenchman.
Earlier in 2026, he won the Cincinnati Open, defeating Frances Tiafoe 6-3, 1-6, 6-0 in the final.
That championship illustrated his ability to recover after suffering a dramatic change in momentum.
The Sports Encounter’s analysis of Fils’ Cincinnati breakthrough examined how he recovered from a second-set collapse to dominate the decider and claim his first ATP Masters 1000 title.
His path through Cincinnati had also included a three-set victory over Jiří Lehečka, whom he defeated 6-1, 6-7(7), 6-3.
That performance featured in our Cincinnati results analysis, which documented how Fils regained control after losing a close second-set tiebreak.
Friday’s victory provided another version of that challenge.
This time, he prevented the second-set tiebreak from becoming a lost opportunity, although it required considerable persistence.
How Brussels Echoed Fils’ Four-Match-Point Escape in Miami
There is an even more striking parallel earlier in the season.
In March, Fils saved four match points against Tommy Paul in the Miami Open quarterfinals.
Trailing 2-6 in a deciding-set tiebreak, he won six consecutive points to complete an extraordinary victory.
After that match, Fils told the ATP Tour: “It was a dog fight and I never back down from a fight.”
The ATP’s official report on Fils’ Miami comeback documents the four match points saved and the decisive turnaround.
Brussels offered a different challenge.
In Miami, Fils was the player facing elimination. Against Michelsen, he repeatedly occupied the winning position and struggled to finish.
His capacity to survive both situations is encouraging, although the repeated drama also raises questions about whether he can close out similar opportunities more efficiently.
Alex Michelsen’s Brussels Run Ends After David Goffin’s Emotional Farewell
Michelsen’s defeat followed one of the most significant moments of the tournament.
On Thursday, the American beat Belgian veteran David Goffin 6-3, 6-4, ending the former world No. 7’s professional singles career in front of his home supporters.
TSE’s report on Goffin’s final singles appearance explored both the significance of the Belgian’s retirement and Michelsen’s opportunity to build on the victory.
Goffin had earned that farewell match by recovering from a set and 0-3 down in the decider against Swiss lucky loser Rémy Bertola.
Our earlier report on Goffin’s comeback captured the emotional stakes before Michelsen ended the veteran’s run.
For Michelsen, the transition from that occasion to facing the tournament’s top seed represented another demanding test.
He had reached the US Open quarterfinals in September, taking a two-set lead against Frances Tiafoe before eventually losing in five sets.
TSE’s account of that US Open comeback documented how Michelsen continued creating opportunities despite failing to secure the win.
Brussels offered another close defeat with meaningful lessons.
Michelsen demonstrated sufficient returning ability and composure to save five match points against a Top 10 opponent. However, his inability to convert two set points prevented him from carrying the contest into a decider.
Those are narrow margins, but they remain important when a young player attempts to turn competitive performances into repeated victories against elite opponents.
Griekspoor Beats Lehečka 4-6, 6-4, 6-3 After a Difficult Start
Tallon Griekspoor produced Friday’s most significant ranking upset among the three confirmed quarterfinals, defeating second seed Jiří Lehečka in two hours and 17 minutes.
The Dutchman arrived ranked No. 60, considerably below the Czech’s No. 20 position.
Lehečka also possessed a particularly strong history at the European Open, having reached the final in both 2024 and 2025.
His experience made him a dangerous opponent, particularly on indoor hard courts.
Griekspoor struggled initially, with the opening set slipping away 6-4.
The Dutchman had also needed to adjust to a change in playing conditions, as the tournament’s closing rounds moved from ING Arena to Palais 5 at Brussels Expo.
Griekspoor expressed frustration with the playing environment during the match, but subsequently found a more effective rhythm.
He won the second set 6-4, then broke through in the decider to take it 6-3.
That recovery secured a semifinal meeting with Cerúndolo and ended Lehečka’s opportunity to reach a third consecutive European Open final.
Griekspoor’s Comeback by the Numbers
| Set | Griekspoor Games | Lehečka Games | Winner |
|---|---|---|---|
| First | 4 | 6 | Lehečka |
| Second | 6 | 4 | Griekspoor |
| Third | 6 | 3 | Griekspoor |
| Match total | 16 | 13 | Griekspoor, 2-1 in sets |
Griekspoor won 16 of the 29 completed games, approximately 55.2% of the total.
After losing the opener, he won 12 of the remaining 19 games, or 63.2%.
That difference shows how much more effectively he controlled the scoreboard after the opening set.
Griekspoor’s recent hard-court results have featured similarly narrow contests.
At the China Open earlier this month, he lost to Andrey Rublev 6-4, 5-7, 7-6(6) despite both players winning 16 of their 17 service games.
TSE’s analysis of Griekspoor’s Beijing defeat examined how a close deciding tiebreak separated two otherwise evenly matched opponents.
In Brussels, the Dutchman ensured that his own comeback did not depend on a final-set tiebreak.
Instead, he established the necessary advantage during regular service games and protected it through the finish.
Lehečka’s Defeat Ends Another European Open Title Attempt
For Lehečka, the quarterfinal exit is particularly disappointing because of his recent history at the tournament.
He reached the 2025 final before losing to Félix Auger-Aliassime 7-6(2), 6-7(6), 6-2.
The Czech came close to turning that championship match around, but the Canadian recovered in the final set to claim the title.
The ATP Tour’s official report on the 2025 European Open final documents that contest and the stakes surrounding the title.
Lehečka entered this year’s event with an opportunity to advance toward another championship match, but Griekspoor’s recovery ended that possibility.
It also interrupted a productive period in the Czech’s career.
Earlier in October, Lehečka reached the Japan Open final before losing to Carlos Alcaraz 7-6(4), 6-4.
Our report on the Tokyo final examined how Lehečka challenged the defending champion before Alcaraz claimed the decisive points.
The common challenge across those results concerns converting competitive performances against strong opponents into championship victories.
Lehečka has demonstrated that he belongs in the later stages of important tournaments. Brussels has nevertheless ended another opportunity without a title.
Francisco Cerúndolo Beats Qualifier Clément Chidekh 6-2, 6-4
Francisco Cerúndolo produced Friday’s most straightforward victory among the three confirmed quarterfinals, defeating French qualifier Clément Chidekh in straight sets.
The Argentine third seed entered the match as world No. 21, while Chidekh was ranked No. 152.
Those rankings reflected a significant difference in established tour-level experience, although Chidekh had already demonstrated that he could challenge higher-ranked players.
The Frenchman qualified for the main draw and defeated seventh seed Botic van de Zandschulp in the first round.
He then overcame Britain’s Jacob Fearnley 7-6(4), 6-2 to reach the quarterfinals.
Those victories made his run one of the tournament’s more interesting developments.
Cerúndolo, however, prevented another upset.
He took the opening set 6-2, establishing an advantage that forced Chidekh to pursue a comeback.
The second set was more competitive, but Cerúndolo held firm to complete the contest 6-4.
The victory sends the Argentine into a semifinal against Griekspoor, giving him another opportunity to improve his late-season results.
Why Cerúndolo’s Efficiency Matters
The third seed has experienced difficult defeats during 2026, including a notable quarterfinal exit at Los Cabos against French youngster Arthur Gea.
In that match, Cerúndolo won the first set in a lengthy tiebreak before losing the next two, including a 6-0 decider.
TSE’s examination of Gea’s Los Cabos championship highlighted how the youngster’s comeback against Cerúndolo helped transform his tournament.
Brussels presents a different opportunity for the Argentine.
He has progressed without requiring a third set in either of his completed main-draw matches, beating Martin Damm 6-4, 7-6(4) before overcoming Chidekh.
That controlled progression contrasts with Griekspoor’s more demanding route and may influence their preparation before Saturday’s meeting.
However, Cerúndolo cannot assume that straight-sets victories guarantee superior readiness. Griekspoor has already survived difficult matches and demonstrated the ability to recover against strong opposition.
Three Different Routes to the Semifinals Reveal the Pressure Behind the Results
The main-draw paths of Fils, Griekspoor and Cerúndolo provide a useful comparison.
| Player | First Round | Round of 16 | Quarterfinal |
|---|---|---|---|
| Arthur Fils | First-round bye | Advanced after Jaume Munar withdrew | Beat Michelsen 6-4, 7-6(12) |
| Tallon Griekspoor | Beat Max Schoenhaus 7-6(3), 6-7(5), 7-5 | Beat Mariano Navone 7-6(4), 7-5 | Beat Lehečka 4-6, 6-4, 6-3 |
| Francisco Cerúndolo | First-round bye | Beat Martin Damm 6-4, 7-6(4) | Beat Chidekh 6-2, 6-4 |
The comparison reveals an unusual difference.
Fils has completed just one singles match during the tournament, having received a bye and subsequently advanced by walkover.
Griekspoor has completed three matches, including two three-set contests.
Cerúndolo has played two completed matches and won both in straight sets.
Those differences could affect match rhythm, recovery and the ability to adjust quickly to changing conditions.
Fils has already demonstrated that he can survive an extended pressure sequence, despite limited competitive time in Brussels.
Griekspoor has spent substantially longer on court but has also experienced a wider variety of match situations.
Cerúndolo has conserved sets while facing opponents with contrasting styles.
The next round will test whether those experiences help or complicate each player’s preparation.
Griekspoor vs Cerúndolo: What Could Decide the Brussels Semifinal?
Griekspoor and Cerúndolo will contest one of Saturday’s semifinal places in the championship match.
The matchup presents an interesting contest between two players with different recent routes to success.
Griekspoor’s strength in Brussels has been his ability to survive tight matches and improve after difficult starts.
His victory over Lehečka demonstrated that he can reverse the direction of a contest against a highly ranked opponent.
Cerúndolo has been more efficient, progressing in straight sets against Damm and Chidekh.
One important question is whether Griekspoor can use his serve and first-strike forehand to maintain shorter rallies on the indoor surface.
Another is whether Cerúndolo can extend exchanges and force the Dutchman to construct repeated attacking opportunities under pressure.
Both possibilities are tactical considerations rather than confirmed outcomes.
The match may also test Griekspoor’s recovery after spending more time on court during the week.
Cerúndolo has the advantage of reaching the semifinals without contesting a deciding set, although competitive rhythm and workload cannot be reduced to set counts alone.
For the Argentine, another victory would provide an important result after earlier disappointments in tournaments where he had appeared capable of reaching the final weekend.
For Griekspoor, it would continue a tournament in which he has already removed the second seed and overcome a series of close contests.
Who Will Fils Play in the Brussels Semifinals?
Fils will face the winner of the remaining quarterfinal between Belgian sixth seed Zizou Bergs and Germany’s Jan-Lennard Struff.
That encounter carries particular interest for the Brussels audience.
Bergs is one of the leading Belgian players attempting to establish himself at a tournament that has just witnessed David Goffin’s retirement from singles competition.
His advancement would provide the home crowd with another opportunity to support a Belgian player deep into the event.
Struff, meanwhile, brings extensive tour-level experience and a powerful serve that could prove effective on the indoor hard court.
He reached the quarterfinal after defeating Gauthier Onclin 6-4, 6-2, while Bergs advanced by beating Damir Džumhur 6-2, 6-4.
The result of their meeting was not independently established at the reporting cutoff and should be confirmed before updating Fils’ semifinal opponent.
Readers can consult the ATP Tour’s official European Open tournament page for event information, results and the developing draw.
Why the Brussels Semifinals Matter Before the Season’s Final Masters Event
The European Open arrives at an important stage of the ATP calendar.
Players are preparing for the Vienna and Basel tournaments beginning October 26, followed by the Paris Masters in November.
For Fils, another strong result offers an opportunity to maintain momentum after his Cincinnati title and improve his position in the closing weeks of the season.
Griekspoor’s semifinal appearance represents an important result following several narrow defeats and a difficult ranking period.
Cerúndolo has another chance to translate consistent early-round performances into a championship opportunity.
The remaining Belgian or German semifinalist will face Fils with a significant opportunity of his own.
Those consequences remain conditional on the semifinal results and subsequent tournament participation.
What Friday established is that the European Open has already provided three different examples of how a player can reach the final weekend.
Fils protected his opportunity only after allowing Michelsen to threaten a deciding set.
Griekspoor corrected a difficult opening against one of the tournament’s most experienced contenders.
Cerúndolo maintained enough control to prevent a qualifier from extending his remarkable run.
The semifinals will determine which approach can survive another test.
European Open 2026 Brussels: Frequently Asked Questions
Who won Arthur Fils vs Alex Michelsen in Brussels?
Arthur Fils defeated Alex Michelsen 6-4, 7-6(12) in the European Open quarterfinals on October 23, 2026.
What was the score of the second-set tiebreak?
Fils won the tiebreak 14-12 after 26 points. Michelsen saved five match points, while Fils saved two set points.
How long did Fils vs Michelsen last?
The match lasted one hour and 50 minutes.
Who won Griekspoor vs Lehečka?
Tallon Griekspoor defeated second seed Jiří Lehečka 4-6, 6-4, 6-3 in two hours and 17 minutes.
Who did Francisco Cerúndolo beat in the quarterfinals?
Cerúndolo beat French qualifier Clément Chidekh 6-2, 6-4 to reach the semifinals.
Who will Griekspoor face in the Brussels semifinals?
Griekspoor will meet Francisco Cerúndolo, who defeated Clément Chidekh in straight sets.
Who is Arthur Fils playing in the semifinals?
Fils will face the winner of Zizou Bergs vs Jan-Lennard Struff. That remaining quarterfinal result had not been independently confirmed at the reporting cutoff.
When are the 2026 European Open semifinals and final?
The semifinals are scheduled for Saturday, October 24, with the singles final scheduled for Sunday, October 25, in Brussels, Belgium.
Confirmed quarterfinal results: Arthur Fils beat Alex Michelsen 6-4, 7-6(12); Tallon Griekspoor beat Jiří Lehečka 4-6, 6-4, 6-3; Francisco Cerúndolo beat Clément Chidekh 6-2, 6-4. Griekspoor will face Cerúndolo in the semifinals, while Fils’ opponent awaits confirmation from the remaining quarterfinal.