It's been a long and winding road back for Naomi Osaka, but it appears she's rediscovering her peak form -- the one that made her a four-time grand slam champion -- once again. Osaka, the No. 23 seed ...

Naomi Osaka eliminated Coco Gauff 6-3, 6-2 at the US Open with a far more confident and consistent brand of tennis Monday to reach her first grand slam quarterfinal in more than 4 1/2 years. The No.

Czech Karolina Muchova recovered from a shaky start to defeat Belgian Elise Mertens 7-6(5) 7-5 on Monday and set up an Australian Open quarter-final against world number one Ash Barty.

Osaka, ranked No. 24 and returning to Grand Slam quarterfinals for the first time since 2021, has looked rejuvenated and focused throughout the tournament. She earned that return by decisively ...