Defending champion Hsieh Su-Wei won two matches Thursday in advancing to the quarterfinals of the WTA's BMW Malaysia Open tennis tournament.
Wang Qiang ousted top-seeded Caroline Wozniacki in three sets Wednesday in a first-round match of the BMW Malaysian Open tennis tournament.
Two-time defending champion Daniela Hantuchova was defeated during her second match Thursday at the PTT Pattaya Open tennis tournament in Thailand.
Rain forced all matches set for Wednesday at the WTA's PTT Pattaya Open in Thailand to be delayed.
World No. 1 Victoria Azarenka and third-ranked Serena Williams dropped just three games between them Thursday in second-round wins at the Australian Open.
Serena Williams, slowed momentarily by an ankle injury, didn't lose a game Tuesday in her first-round match at the Australian Open.
Top-seeded Agnieszka Radwanska won in straight sets Wednesday but second-seeded Julia Goerges was ousted at the ASB Classic in New Zealand.
Nudnida Luangnam and Jamie Hampton posted first-round upset wins Monday at the ASB Classic tennis tournament in New Zealand.
Tamira Paszek, who at 17 is one of the emerging prospects on the WTA circuit, won her opening round match Thursday at the Sony Ericsson Open in Miami.
Third-round winners in the Pacific Life Open in Indian Wells, Calif., Sunday included Russians Maria Sharapova and Svetlana Kuznetsova.