Serena Williams, Andy Murray and Roger Federer are all in action on Saturday as the 2012 U.S. Open continues. Third-seeded Murray will face No. 30 Feliciano Lopez, and Williams, fourth seed in the women's singles draw, will take on unranked Ekaterina Makarova. Following Serena's match is Federer, the No. 1 seed in the men's singles draw. He faces No. 25 seed Fernando Verdasco.
Women's singles No. 2 seed Agnieszka Radwanska is currently taking on 30th-seeded Jelena Jankovic, with Williams and Federer's matches to follow. The highlighted matches from the day are Sloane Stephens vs. Ana Ivanovic and Mardy Fish vs. Gilles Simon, both taking place after 4 p.m. PT.
Television Coverage: 8-9:30 a.m. PT on the CBS Sports Network, and 9:30 a.m. - 3 p.m. on CBS
Streaming Coverage: Watch Online via US Open Live
For a complete list of Saturday's matches, head over to USOpen.org.