US Open 2021: Naomi Osaka, Daniil Medvedev & others highlight Day 1
Defending champion Naomi Osaka and men's No. 2 seed Daniil Medvedev got proceedings underway in an action-packed Day One at the US Open 2021 in New York on Monday (August 30). Former champion Andy Murray gave a real scare to No. 3 seed Stefanos Tsitsipas before losing in five sets. In these collection of pictures, we sum up the opening day of US Open 2021.
Zee Media Bureau
| Aug 31, 2021, 12:59 PM IST
1/5
Mike Tyson and Lindsey Vonn enjoy opening day's play
![Mike Tyson and Lindsey Vonn enjoy opening day's play Former boxer Mike Tyson (center) and skier Lindsey Vonn (right) attend the first round of the US Open 2021 in New York. (Photo: PTI)](https://english.cdn.zeenews.com/sites/default/files/2021/08/31/966153-gallerytysonus.jpg)
2/5
No. 2 Aryna Sabalenka survives a scre
![No. 2 Aryna Sabalenka survives a scre 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. (Source: Twitter)](https://english.cdn.zeenews.com/sites/default/files/2021/08/31/966152-gallerysabalenkaus.jpg)
3/5
Defending champion Naomi Osaka eases through
![Defending champion Naomi Osaka eases through 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. (Photo: Reuters)](https://english.cdn.zeenews.com/sites/default/files/2021/08/31/966151-galleryosakaday1.jpg)
4/5
Daniil Medvedev eases past Richard Gasquet
![Daniil Medvedev eases past Richard Gasquet World No. 2 Daniil Medvedev exults after defeating Richard Gasquet of France in US Open 2021 first round in New York. (Source: Twitter)](https://english.cdn.zeenews.com/sites/default/files/2021/08/31/966150-gallerydaniiluslead.jpg)
5/5
Marin Cilic retires for first time in 800 matches
![Marin Cilic retires for first time in 800 matches 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. (Photo: Reuters)](https://english.cdn.zeenews.com/sites/default/files/2021/08/31/966149-gallerycilicus.jpg)
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)