Defending champ Serena Williams and Agnieszka Radwanska each advanced but Li Na fell Sunday in first-round action at the Madrid Open.
Defending champion Kaia Kanepi earned a return trip to the semifinals of the Portugal Open tennis tournament with a straight-set win Friday.
Kaia Kanepi and Carla Suarez Navarro, who played in the tournament finals last year, on Wednesday both posted wins at the Portugal Open.
No. 4-seeded Carla Suarez Navarro rolled through a first-round win Monday at the Portugal Open tennis tournament.
No. 2 seed Maria Sharapova breezed into the third round of the Sony Open Friday and Lauren Davis took advantage of her second chance.
Former Miami champion Svetlana Kuznetsova of Russia moved on to the second round Wednesday with a straight-set victory at the Sony Open.
Maria Sharapova breezed into the third round of the BNP Paribas Friday and 16-year-old American Mallory Burdette picked up a big win as well.
Francesca Schiavone began the BNP Paribas Open Wednesday with only her fourth victory of the year, one that set up a meeting with No. 2 seed Maria Sharapova.
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World No. 1 Victoria Azarenka didn't lose a game Thursday at the Qatar Total Open but Serena Williams pulled within one win of taking the rankings' top spot.