Sharapova, Radwanska advance in Beijing

Second seed Maria Sharapova and reigning champion Agnieszka Radwanska were a pair of winners Wednesday at the $4.8 million China Open tennis event.

The former world No. 1 Sharapova posted a 78-minute 6-2, 6-2 second-round victory over Romanian Sorana Cirstea, while the third-seeded Radwanska overcame Spanish qualifier Lourdes Dominguez Lino 2-6, 6-1, 6-4 in the third round to reach the quarterfinals on the hardcourts at the National Tennis Centre.

The 2012 Wimbledon runner-up Radwanska beat German Andrea Petkovic in last year's Beijing finale and was a runner-up here in 2009. Radwanska was a runner-up in Tokyo last week.

In some other third-round action involving seeds, No. 9 Marion Bartoli of France topped German Julia Goerges 6-3, 7-6 (7-2) and Swiss Romina Oprandi upended No. 11 Ana Ivanovic 6-4, 6-3. Bartoli will meet Spaniard Carla Suarez Navarro in the quarterfinals.

Also on Day 5, Suarez Navarro doused Ivanovic's fellow former world No. 1 from Serbia Jelena Jankovic 7-5, 6-4 in the third round and Slovenian qualifier Polona Hercog outlasted Russian Ekaterina Makarova 7-6 (7-5), 3-6, 7-6 (7-3) in a second-rounder. Jankovic was the China Open champ in 2008 and runner-up in 2007.

In more third-round action on Thursday, world No. 1 Australian Open champion and U.S. Open runner-up Victoria Azarenka will face Russian Elena Vesnina; the French Open champion Sharapova will encounter Hercog; fifth-seeded German Angelique Kerber will battle 10th-seeded former No. 1 Caroline Wozniacki; and seventh-seeded Li Na will tangle with fellow Chinese Peng Shuai. Wozniacki was the Beijing champion two years ago, and titled in Seoul two weeks ago.

The 2012 China Open titlist will collect $848,000.