Britain's Johanna Konta, the ninth seed, lost in three sets to Sorana Cirstea of Romania ©Getty Images

"Picture Gallery"

Austria's Dominic Thiem, who benefited from a retirement in round one, won in straight sets in round two ©Getty Images
Austria's Dominic Thiem, who benefited from a retirement in round one, won in straight sets in round two ©Getty Images
Amanda Anisimova, the 22nd seed, battled back from a set down to triumph in three against fellow American Katrina Scott  ©Getty Images
Amanda Anisimova, the 22nd seed, battled back from a set down to triumph in three against fellow American Katrina Scott ©Getty Images
Denis Shapovalov, the 12th seed, overcame Soonwoo Kwon of Korea in four sets to reach the third round ©Getty Images
Denis Shapovalov, the 12th seed, overcame Soonwoo Kwon of Korea in four sets to reach the third round ©Getty Images
Sorana Cirstea of Romania caused the biggest upset of the day session on the fourth day in New York, beating Johanna Konta ©Getty Images
Sorana Cirstea of Romania caused the biggest upset of the day session on the fourth day in New York, beating Johanna Konta ©Getty Images
Roberto Bautista-Agut, the eighth seed, beat Miomir Kecmanovic of Serbia in four sets to reach the third round ©Getty Images
Roberto Bautista-Agut, the eighth seed, beat Miomir Kecmanovic of Serbia in four sets to reach the third round ©Getty Images
Japan's Naomi Osaka, wearing one of her collection of facemasks, is interviewed after her round two win ©Getty Images
Japan's Naomi Osaka, wearing one of her collection of facemasks, is interviewed after her round two win ©Getty Images
As part of protocols introduced due to the coronavirus pandemic, players leave towels on a rail at the side of the court ©Getty Images
As part of protocols introduced due to the coronavirus pandemic, players leave towels on a rail at the side of the court ©Getty Images