Qinwen Zheng defeated Iga Swiatek in straight sets, while Francisco Cerundolo and Alexander Blockx faced off in a men's singles match on day nine of the US Open.

Qinwen Zheng secured a straight-sets victory over Iga Swiatek on day nine of the 2026 US Open after overcoming a 0-5 deficit in the first set. Meanwhile, on Arthur Ashe Stadium, Francisco Cerundolo and Alexander Blockx competed in a men's singles match, with both players vying for their first-ever Grand Slam quarterfinal appearance.

Zheng's Comeback Victory

After trailing 0-5 in the opening set, Qinwen Zheng rallied to defeat Iga Swiatek. Zheng, who recently returned from injury, noted that she focused on playing more aggressively to overcome the deficit. Swiatek departed the tournament following the loss, which Zheng described as her first victory over a top-10 player in a significant period.

Cerundolo and Blockx Matchup

The men's singles match between 24th seed Francisco Cerundolo and 26th seed Alexander Blockx saw both players struggling with physical ailments. Blockx, 21, received medical treatment for his right arm and lat, while Cerundolo also dealt with physical discomfort during the match. The players traded sets, with Blockx taking the first 6-3 and Cerundolo winning the second 6-4.

Additional Tournament Developments

In other action, Mirra Andreeva advanced after Anastasia Potapova suffered a knee injury late in their match. In women's doubles, the top-seeded pair of Siniakova and Townsend defeated Hunter and Krawczyk. Upcoming matches include Naomi Osaka against Elena Rybakina, and Gea versus Van de Zandschulp.