BEIJING, Oct. 2 (UPI) -- Petra Kvitova and Li Na posted third-round victories Wednesday and will square off in the quarterfinals of the China Open tennis tournament in Beijing.
Kvitova, the No. 9 seed, beat world No. 6-ranked Sara Errani 6-4, 6-7 (3-7), 6-3 for her second win over a Top 10 player in five days. She beat ninth-ranked Angelique Kerber in Saturday's final of the Japan Open.