Charleston Open: Pegula sets blockbuster quarter-final against Collins

American Jessica Pegula, the top seed, reached the quarter-finals of the Charleston Open by winning against Australian Ajla Tomljanovic 6-3, 6-2 at the Family Circle Tennis Center on Thursday.

Pegula, ranked No 4, will play American Danielle Collins, the No 7 seed, next.

Ahead of her victory, the American defeated Belarusian qualifier Iryna Shymanovich (6-0, 6-3).

Tomljanovic, ranked No 87, beat Japanese lucky loser Kyoka Okamura (3-6, 6-1, 6-2) and American Peyton Stearns, the No 16 seed (6-1, 6-4) in the previous rounds of the Charleston tournament.

Charleston WTA 500, other last 16 results (Family Circle Tennis Center, clay, USD 1.064.510, most recent results first):

• Daria Kasatkina vs. Sofia Kenin
• Anna Kalinskaya vs. Madison Keys
• Qinwen Zheng vs. Elise Mertens: thursday
• Danielle Collins beat Jelena Ostapenko (11): 7-5, 6-3
• Emma Navarro (4) beat Ashlyn Krueger (15): 4-6, 6-4, 6-2
• Ekaterina Alexandrova (9) beat Diana Shnaider (6): 6-2, 6-1
• Amanda Anisimova (8) beat Yulia Putintseva (10): 6-4, 6-4