San Diego Open: Vekic makes second round

Croat Donna Vekic, the No 7 seed, moved into the second round of the San Diego Open by defeating American wildcard Katherine Hui 7-5, 6-2 at the Barnes Tennis Center on Tuesday.

Vekic, ranked No 28, will play Canadian qualifier Marina Stakusic next.

San Diego WTA 500, other first-round results (Barnes Tennis Center, hard, USD 922.573, most recent results first):

• Caroline Wozniacki vs. Anna Blinkova
• Tatjana Maria beat Leylah Fernandez (8): 6-7 (7), 4-0 ret.
• Taylah Preston (WC) beat Magdalena Frech: 6-4, 4-6, 6-1
• Katerina Siniakova beat Mai Hontama (Q): 6-3, 6-1
• Dayana Yastremska (5) beat Caroline Dolehide: 6-4, 5-7, 6-1
• Marta Kostyuk (6) beat Ann Li (Q): 6-4, 4-6, 6-2
• Xinyu Wang beat Clara Tauson: 6-2, 2-6, 6-1
• Marina Stakusic beat Marina Melnikova (Q): 6-4, 5-7, 6-1
• Daria Saville (Q) beat Lin Zhu: 6-3, 6-3
• Jule Niemeier (Q) beat Varvara Gracheva: 6-3, 6-0
• Katie Boulter beat Lesia Tsurenko: 6-3, 6-1