San Diego Open: Preston outlasts Frech
Taylah Preston defeated Magdalena Frech 6-4, 4-6, 6-1 on Tuesday night and will face Ukrainian Marta Kostyuk, the No 6 seed, in the next round

Australian wildcard Taylah Preston advanced to the second round of the San Diego Open by defeating Pole Magdalena Frech 6-4, 4-6, 6-1 at the Barnes Tennis Center on Tuesday night.
Preston, ranked No 153, will face Ukrainian Marta Kostyuk, the No 6 seed, 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
- Donna Vekic vs. Katherine Hui
- Tatjana Maria beat Leylah Fernandez (8): 6-7 (7), 4-0 ret.
- Katerina Siniakova beat Mai Hontama (Q): 6-3, 6-1
- Dayana Yastremska (5) beat Caroline Dolehide: 6-4, 5-7, 6-1
- Marta Kostyuk beat Ann Li (Q): 6-4, 4-6, 6-2
- Xinyu Wang beat Clara Tauson: 6-2, 2-6, 6-1
- Marina Stakusic (Q) 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