San Diego Open: Niemeier races into second round

German qualifier Jule Niemeier won against Frenchwoman Varvara Gracheva 6-3, 6-0 to advance to the second round of the San Diego Open at the Barnes Tennis Center on Monday night.

Niemeier, ranked No 126, will play top seed Jessica Pegula next.

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

• Taylah Preston vs. Magdalena Frech
• Ann Li vs. Marta Kostyuk
• Marina Melnikova vs. Marina Stakusic
• Clara Tauson vs. Xinyu Wang
• Daria Saville vs. Lin Zhu: tuesday
• Donna Vekic vs. Katherine Hui
• Mai Hontama vs. Katerina Siniakova
• Leylah Fernandez vs. Tatjana Maria
• Caroline Dolehide vs. Dayana Yastremska
• Caroline Wozniacki vs. Anna Blinkova
• Katie Boulter beat Lesia Tsurenko: 6-3, 6-1