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Tennis-From boardroom chic to battling win, Osaka reaches US Open last 16

By Thomson Reuters Sep 5, 2026 | 9:09 PM

By Shrivathsa Sridhar

NEW YORK, Sept 5 (Reuters) – Naomi Osaka continued to impress with her style and staying power at the U.S. Open on Saturday as the Japanese 13th seed battled past Belgian Elise ​Mertens 6-3 3-6 7-5 to reach the fourth round.

For her latest ‌eye-catching walk-on look, the four-times major champion blended boardroom and locker-room aesthetics in a grey checked blazer-hoodie and wide-leg pants, putting a tailored twist on traditional pre-match attire.

The 28-year-old, a two-times champion at Flushing Meadows, reeled off three games in succession to take a 4-1 ‌lead ​in the first set under the lights of ⁠Louis Armstrong Stadium, clinching it ⁠with a battling hold thanks to a string of booming serves.

Osaka pushed the 23rd seed hard at the start of the next set with some heavy hitting from the baseline before pouncing with a break in ​the third game, only to surrender the lead by dropping the next two games.

“Honestly, I can’t believe I won this match,” Osaka said, thanking the ⁠crowd for the energy they provided.

“There was ⁠a certain point where I put my heart on the ​court and kept trying in every point. Thank you so much, but honestly, ​I’m shocked I won. I’m not going to lie.”

After levelling the ‌match to force a decider, Mertens capitalised on several unforced errors by a frustrated Osaka to gain the upper hand, but there would be another momentum shift in the match after a medical timeout for the Japanese player.

“I didn’t ⁠play amazing and it was getting me down, sorry about my behaviour, for the little kids watching,” said Osaka, who threw her racket to the floor at ⁠one point.

“This is my ‌favourite tournament. I wanted to play well in front ⁠of you. I’m just that glad I have the ​opportunity to ‌play another match.

“I thought I was going to be ​ok, but ⁠clearly I was shaky.”

After recovering a break late on, Osaka fired a huge ace to take a 6-5 lead and revved up her forehand in the following game to complete the win and earn a meeting with Elena Rybakina or Yuliia Starodubtseva in the round of 16.

(Reporting by Shrivathsa Sridhar in New York; ​Editing by Peter Rutherford)