Osaka loses to Zhang, Gauff quits with injury at Cincinnati

Naomi Osaka, of Japan, returns the ball during a match against Kaia Kanepi, of Estonia, during the National Bank Open tennis tournament in Toronto, on Tuesday, Aug. 9, 2022. THE CANADIAN PRESS/Christopher Katsarov Naomi Osaka, of Japan, returns the ball during a match against Kaia Kanepi, of Estonia, during the National Bank Open tennis tournament in Toronto, on Tuesday, Aug. 9, 2022. THE CANADIAN PRESS/Christopher Katsarov