Jannik Sinner had little trouble in his fourth-round match at the U.S. Open, easily beating Alexander Bublik to advance to the quarterfinals.

World No. 1 Jannik Sinner made quick work of his Round of 16 opponent, Alexander Bublik, to book a spot in the U.S. Open quarterfinal Monday night. The Italian was likely ready to call it a night when he became victim to a tennis fan standing courtside who tried to steal something out of his bag.

Remarkably, Osaka has won every slam in which she's reached the quarterfinals -- a compelling record of finishing the task. She will face the winner of No. 11 seed Karolina Muchova and No. 27 seed Marta Kostyuk in the quarterfinal.

Naomi Osaka heads to US Open quarterfinals after eliminating Coco Gauff Two-time US Open champion Naomi Osaka has eliminated Coco Gauff in straight sets. September 1, 2025

Naomi Osaka produced a commanding performance to knock out third seed Coco Gauff 6-3 6-2 in a highly anticipated fourth round showdown between two former U.S. Open champions on Monday.

Defending champion Aryna Sabalenka returned to the US Open semifinals without hitting a ball on Tuesday night after 2023 Wimbledon champion Markéta Vondroušová pulled out of their match with an injured knee.

Markéta Vondroušová has withdrawn from her U.S. Open quarterfinal against Aryna Sabalenka after injuring herself in practice. The withdrawal was first reported by ESPN, before being confirmed by the tournament.