Dutchman Tallon Griekspoor pulled off a stunning upset at the Dubai Tennis Championships, saving four match points to defeat top seed Daniil Medvedev 2-6, 7-6 (7), 7-5 in a thrilling quarterfinal on Thursday.
Despite Medvedev firing 15 aces, the defending champion couldn’t capitalize on his chances, converting only 3 of 14 break points, while Griekspoor held his nerve to take advantage of 2 of 7 opportunities.
With the victory, Griekspoor advances to his eighth career ATP Tour semifinal, where he will face fourth seed Stefanos Tsitsipas. The Greek star edged past Italy’s Matteo Berrettini in a tightly contested match, winning 7-6 (5), 1-6, 6-4.
The other semifinal will feature Canada’s Felix Auger-Aliassime against French qualifier Quentin Halys. Auger-Aliassime defeated Croatia’s Marin Cilic 6-4, 3-6, 6-2, while Halys survived a challenge from Italian lucky loser Luca Nardi, winning 2-6, 6-3, 7-6 (5).
Movistar Chile Open: Coria and Baez Advance in Santiago
In Santiago, Argentina’s Federico Coria fought off four set points to claim a dramatic 7-6 (11), 4-6, 6-3 victory over second-seeded Alejandro Tabilo in the second round of the Movistar Chile Open. The match lasted 2 hours and 37 minutes, securing Coria a spot in the quarterfinals.
Meanwhile, third-seeded Sebastian Baez survived a marathon clash against compatriot Francisco Comesana, emerging with a 6-3, 5-7, 7-6 (5) victory.
Other results saw:
- Camilo Ugo Carabelli (Argentina) rally past Thiago Monteiro (Brazil) 4-6, 7-6 (2), 6-3.
- Damir Dzumhur (Bosnia) defeat sixth seed Mariano Navone (Argentina) 6-4, 3-6, 6-3.
Abierto Mexicano Telcel: Tien Falls to Machac After Upsetting Zverev
U.S. qualifier Learner Tien couldn’t replicate his stunning win over top seed Alexander Zverev, as he fell to eighth-seeded Tomas Machac (Czech Republic) 6-3, 7-5 in the Abierto Mexicano Telcel quarterfinals in Acapulco.
Tien struggled with his serve, getting broken six times and winning just 54.9% of his first-serve points. Machac will now face Brandon Nakashima (USA), who overcame Belgium’s David Goffin 7-6 (4), 6-2.
The final two semifinal spots were set to be decided later Thursday night, with:
- Denis Shapovalov (Canada, 9) vs. Marcos Giron (USA)
- Alejandro Davidovich Fokina (Spain) vs. Rodrigo Pacheco Mendez (Mexico, 19-year-old wildcard)
With high-stakes semifinal matches across Dubai, Chile, and Mexico, the race for ATP titles intensifies heading into the weekend.