Austin Open: Kostyuk moves into last eight, Friedsam next

Ukrainian Marta Kostyuk, the No 8 seed, reached the last eight of the Austin Open by beating American Madison Brengle 6-3, 3-6, 6-0 at the Westwood Country Club on Thursday.

Kostyuk, ranked No 52, will play German Anna-Lena Friedsam next.

In the previous round of the Austin tournament, the 20-year-old Ukrainian won against Hungarian Dalma Galfi (7-5, 6-1).

Brengle, ranked No 95, won against qualifier Louisa Chirico (6-2, 7-6 (3)) in the first round of the Austin tournament.

Austin WTA 250, other second-round results (Westwood Country Club, hard, USD 259.303, most recent results first):

• Anna Kalinskaya vs. Coco Vandeweghe : Thursday in Austin
• Catherine McNally vs. Danielle Collins : Thursday in Austin
• Anna-Lena Friedsam beat Erika Andreeva (LL): 7-5, 6-7 (2), 7-6 (8)
• Peyton Stearns (WC) beat Mirjam Bjorklund (WC): 6-3, 7-5
• Sloane Stephens (5) beat Heather Watson (Q): 6-4, 6-4
• Varvara Gracheva beat Anna Blinkova: 6-3, 6-7 (5), 6-1
• Katie Volynets beat Anastasia Potapova (3): 5-7, 6-2, 7-5