US Open 2021: Naomi Osaka kicks off title defence with straight sets win over Marie Bouzkova
HIGHLIGHTS Naomi Osaka fired 21 winners but committed 13 unforced errors in the first set Osaka closed out the match with a forehand winner, offering a smile and a wave to the stands that were empty a year ago. Osaka earlier crashed out in the third round of the Tokyo Olympics and the Western & Southern Open.…