Last year's champion Coco Gauff of America failed to defend her title in the last Grand Slam US Open tennis tournament played on her home ground and her campaign ended in the fourth round.
In this way, the streak of not winning the title in US Open has continued for the last 10 years. Third seeded Gauff made 19 double faults before losing to Emma Navarro 6-3, 4-6, 6-3. Gauff has been losing form and rhythm in the last few tournaments. She also lost in the third round in Paris Olympics. Last year's champion in men's singles, Novak Djokovic of Serbia lost in the third round on Friday, Gauff also lost with him. In women's singles, defending champion Serena Williams has not been able to win the US Open for two consecutive years in the last 10 years. She last won consecutive Grand Slams from 2012 to 2014. In men's singles, Roger Federer achieved this feat from 2004 to 2008.
Kinven's bout ended at 2:15 a.m. US time
Navarro will next face Paula Badosa, who won 6-1, 6-2 over Wang Yafan. Second seed Aryna Sabalenko of Belarus also reached the quarterfinals. She defeated Elise Mertens without much difficulty 6-2, 6-4. Sabalenko will next face Zeng Qinwen, who defeated Donna Vekic 7-6 (2), 4-6, 6-2 in a match that ended at 2:15 a.m. Monday. Never before has a match been played late into the night at the US Open.
Tiafoe and Taylor Fitz continue to advance in men's singles
28th seed Alexei Popyrin's quest to beat Djokovic in the men's singles also came to an end as he lost to Francis Tiafoe 6-4, 7-6 (3), 2-6, 6-3 to crash out of the Grand Slam. Tiafoe, who reached the quarterfinals for the third time in a row, will next face Grigor Dimitrov, who beat Andy Rublev 6-3, 7-6 (3), 1-6, 3-6, 6-3. Taylor Fitz also advanced. He beat Casper Ruud 3-6, 6-4, 6-3, 6-2. Alexander Zverev beat Brandon Nakashima 3-6, 6-1, 6-2, 6-2.