Any opponent would be on notice with how impressive Naomi Osaka has been since the start of the U.S. Open.

On Saturday, anything a player saw in the first set would especially have been alarming.

The two-time U.S. Open winner absolutely dominated the first set. She only lost eight points and didn’t drop a game while only having six unforced errors to world No. 15 Daria Kasatkina’s 12, winning 6-0 in stunning fashion. 3

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Surely Coco Gauff, who is set to be Osaka’s fourth-round opponent, had her eyes on the Japanese player’s third-round match at Louis Armstrong Stadium on Saturday afternoon while doing her post-match routine.

It looked like Osaka would simply roll through and be set to be across the court from Gauff, the 2023 U.S. Open champion.

However, while Osaka won the thir

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