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Sep
Naomi Osaka beat Misaki Doi in the first round of US Open
Fourth seed Naomi Osaka advanced to the second round of the US Open on Monday but was made to work hard during a 6-2, 5-7, 6-2 victory over Japanese compatriot Misaki Doi at Arthur Ashe Stadium Osaka showed little sign of a fitness problem after wrapping up the first set in just over half an hour. But the 22-year-old Doi