Qualifier McNally faces Swiatek in Ostrava quarter-finals

American qualifier Caty McNally won against Czech wildcard Karolina Muchova 6-1, 3-6, 6-1 to advance to the quarter-finals of the Ostrava Open at the Ostravar Aréna on Thursday

McNally, ranked No 151, will play Pole Iga Swiatek, the top seed, next.

Ahead of her victory, the 20-year-old American beat Russian qualifier Anna Blinkova (6-1, 6-2).

Muchova, ranked No 189, won against Brazilian Beatriz Haddad Maia, the No 7 seed (6-4, 6-4) in the previous round of the Ostrava.

Ostrava WTA 500, other second-round results:

• Ekaterina Alexandrova vs. Daria Kasatkina
• Anett Kontaveit vs. Tereza Martincova
• Belinda Bencic vs. Barbora Krejcikova
• Alycia Parks (Q) beat Maria Sakkari (4): 5-7, 7-5, 7-5
• Elena Rybakina beat Aliaksandra Sasnovich: 6-7 (5), 6-4, 7-5
• Petra Kvitova (WC) beat Paula Badosa (2): 7-6 (4), 6-4
• Iga Swiatek beat Ajla Tomljanovic (Q): 7-5, 2-2 ret.