NEW YORK (AP) — Once Naomi Osaka is in the quarterfinals of a Grand Slam tournament, look out.

For a while, it was getting there that was the problem.

Right now, Osaka appears to be back at her best, and she most definitively is back at that stage of a major, getting ready to face Karolina Muchova at the U.S. Open on Wednesday for a spot in the semifinals.

It's the first time Osaka — who has been ranked No. 1 and now is seeded No. 23 — has made it this far at one of the four most important events in tennis since the Australian Open in early 2021. That was also the last time she won a Slam trophy.

So far in her career, the 27-year-old Osaka has left with the championship every time she got past the fourth round at any major, something she did at Flushing Meadows on Monday with a dominan

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