Japan's Naomi Osaka reached the fourth round of the US Open for the first time in five years with a third round win over Daria Kasatkina

Japan's Naomi Osaka reached the fourth round of the US Open for the first time in five years with a third round win over Daria Kasatkina

Former champion Naomi Osaka reached the fourth round of the US Open for the first time in five years on Saturday with a three-set victory over Australian 15th seed Daria Kasatkina.

Osaka, who last reached the fourth round at Flushing Meadows during her run to the title in 2020, took advantage of Kasatkina's shaky serve to advance 6-0, 4-6, 6-3 on the Louis Armstrong Stadium court.

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