Charleston Open: Keys upended by Romanian Cristian

Romanian Jaqueline Cristian defeated American Madison Keys, the No 8 seed, 3-6, 6-3, 6-3 to reach the last 16 of the Charleston Open at the Family Circle Tennis Center on Wednesday.

Cristian, ranked No 83, will play the winner of the match between No 10 seed Emma Navarro and qualifier Katie Volynets next.

Ahead of her victory, the Romanian won against American qualifier Sachia Vickery (6-1, 6-4).

Charleston WTA 500, other second-round results (Family Circle Tennis Center, clay, USD 922.573, most recent results first):

• Leylah Fernandez vs. Sloane Stephens
• Danielle Collins vs. Ons Jabeur
• Elina Svitolina vs. Daria Saville
• Varvara Gracheva vs. Elise Mertens
• Shelby Rogers vs. Veronika Kudermetova
• Beatriz Haddad Maia vs. Caroline Dolehide
• Emma Navarro vs. Katie Volynets
• Daria Kasatkina vs. Ashlyn Krueger
• Taylor Townsend vs. Ekaterina Alexandrova
• Lesia Tsurenko vs. Astra Sharma
• Caroline Wozniacki vs. Anhelina Kalinina
• Victoria Azarenka vs. Elisabetta Cocciaretto
• Jessica Pegula (1) beat Amanda Anisimova: 3-6, 6-4, 7-6 (3)
• Magda Linette beat Dayana Yastremska (13): 0-6, 6-4, 6-3
• Maria Sakkari (3) beat Viktoriya Tomova: 6-3, 6-3