Coco Gauff has come back to win her first-round match at the U.S. Open after losing a set against an opponent who frustrated her with the time she took between points.

Daniil Medvedev overcame Nick Kyrgios and all his tricks and the constant noise of a boisterous crowd to advance to the third round of the Australian Open.

Serena Williams is out of Wimbledon after she stopped playing her first-round match because of a right leg injury.