AT A GLANCE

Thursday’s highlights Men: No. 1Rafael Nadal def. Guido Pella 6-2, 6-1, 6-1; No. 9John Isner def. Horacio Zeballos 6-7(8), 7-6(4), 7-6 (2), 6-2. Women: Serena Williams def. No. 17Ashleigh Barty 3-6, 6-3, 6-4; Lesia Tsurenko def. No. 15Coco Vandeweghe 3-6, 6-4, 6-0; No. 28Maria Sharapova def. Donna Vekic 7-5, 6-4. Today’s key matches Men: No. 13Roberto Bautista Agut vs. No. 20Novak Djokovic; No. 26Damir Dzumhur vs. No. 3Alexander Zverev. Women: No. 13Madison Keys vs. No. 21Naomi Osaka Doubles: Serena and Venus Williams vs. Sara Errani and Kirsten Flipkens. TV: 7a.m., TENNIS