Former boxer Mike Tyson (center) and skier Lindsey Vonn (right) attend the first round of the US Open 2021 in New York. US Open allowed crowds after a year due to COVID-19 pandemic. (Photo: PTI)
World No. 2 Aryna Sabalenka reacts after her three-set win over unseeded Nina Stojanovic of Belgrade in the US Open 2021 opener in New York. Sabalenka won 6-4, 6-7 (4), 6-0. (Source: Twitter)
No. 3 seed Naomi Osaka of Japan returns to Marie Bouzkova of Czech Republic in their opening round match of US Open 2021 in New York. Defending champion Osaka won 6-4, 6-1. (Photo: Reuters)
World No. 2 Daniil Medvedev exults after defeating Richard Gasquet of France in US Open 2021 first round in New York. Medvedev won 6-4, 6-3, 6-1. (Source: Twitter)
Former champion Marin Cilic of Croatia retired from his first-round match against German Philipp Kohlschreiber on Monday with an apparent injury, his earliest exit from the US Open in 13 attempts. It was Cilic`s first retirement in more than 800 career matches and the first time he had failed to make it past the opening round at Flushing Meadows. (Photo: Reuters)