San Diego Open: Sakkari out, Vekic books spot in second round

Croat qualifier Donna Vekic advanced to the second round of the San Diego Open by beating Greek Maria Sakkari, the No 5 seed, 7-6 (3), 6-1 at the Barnes Tennis Centre on Tuesday evening.

Vekic, ranked No 77, will face the winner of the match between Czech Karolina Pliskova and American qualifier Caroline Dolehide next.

San Diego WTA 500, other first-round results (Barnes Tennis Centre, hard, USD 757.900, most recent results first):

• Bianca Andreescu beat Liudmila Samsonova: 7-6 (1), 4-6, 6-2
• Danielle Collins beat Caroline Garcia (7): 6-2, 7-6 (4)
• Coco Vandeweghe (WC) beat Sofia Kenin: 6-1, 1-6, 6-4
• Martina Trevisan beat Camila Osorio (Q): 6-3, 6-4
• Louisa Chirico (Q) beat Alison Riske-Amritraj: 1-6, 7-5, 7-6 (5)
• Madison Keys beat Ellen Perez (Q): 6-1, 6-4
• Robin Montgomery vs. Coco Gauff : Tuesday in San Diego
• Qinwen Zheng vs. Garbine Muguruza: Tuesday in San Diego
• Leylah Fernandez vs. Daria Kasatkina: Tuesday in San Diego
• Jil Teichmann vs. Sloane Stephens: Tuesday in San Diego
• Karolina Pliskova vs. Caroline Dolehide: Tuesday in San Diego