Defending US Open champion Naomi Osaka is out of the tournament after losing her third-round match to 18-year-old Leylah Fernandez. Osaka — who won the women's singles titles in both 2018 and ...

Leylah Annie Fernandez upset No. 3 Naomi Osaka 5-7, 7-6 (2), 6-4 in the third round of the U.S. Open on Friday from Arthur Ashe Stadium in New York.

Osaka, who won the US Open last year, was knocked out of the tournament early this year. She was defeated by Leylah Fernandez in three sets on Friday night, losing 5-7, 7-6, 6-4.

Osaka — who won the women's singles titles in both 2018 and 2020 — lost 5-7, 6-7 (2), 6-4 to Fernandez, an unseeded player from Canada.

In a stunning result, US Open defending champion Naomi Osaka lost her third-round match to Canada’s Leylah Fernandez in three sets, as the world No. 3 and four-time major champion ...

Osaka seemed on track for a similar conclusion in the second set, leading 6-5 and serving. But when she sailed a forehand wide, Fernandez had her first break of the match to make it 6-all.

Naomi Osaka, of Japan, covers her head between games against Leylah Fernandez, of Canada, at the third round of the US Open tennis championships, Friday, Sept. 3, 2021, in New York.

Naomi Osaka was upset in the third round on Friday by 18-year-old Leylah Fernandez in what was arguably the most surprising result of the year. Fernandez came back to win in three sets, 5-7, 7-6 ...

Osaka came in with a 16-match winning streak at majors. Still, Fernandez declared: "Right before the match, I knew I was able to win." ...

Fernandez rallied back from an early hole to take a 1-0 lead in the first set, and kept moving back and forth with Osaka until she took a 5-4 lead with a dominant ninth game. That is when Osaka ...

Fernandez, 18, would win the tiebreak to force a final set, and then the world No. 73 broke Osaka to open the third. Not long after that, Osaka hit a ball into the crowd and was hit with a code ...