Day four of the U.S. Open gets underway on Thursday, Aug. 30, as second round play continues at Flushing Meadows, N.Y.

Top-seeded Roger Federer highlights the Thursday schedule, taking on Bjorn Phau under the lights. Federer's match is scheduled to begin at 6 p.m. CT.

On the women's side, both Serena and Venus Williams will play in second-round matches. Fourth-seeded Serena Williams will take on Maria Jose Martinez Sanchez at 10 a.m. CT, while Venus Williams will take on No. 6 Angelique Kerber under the lights at 6: p.m. CT.

Americans men Jack Sock, Sam Querrey, James Blake, Tim Smyczek, and Mardy Fish will also take the court on Thursday, looking to advance to the third round.

A full schedule can be found here, at the U.S. Open's official website.

Televised coverage begins at 9:30 a.m. CT, with Breakfast at the US Open airing on the Tennis channel. Coverage of second round matches will begin at 10 a.m. on the tennis channel, and last until 6 p.m.

Televised coverage can also be found on ESPN2 between noon and 6 p.m. CT, before the primetime matches begin, again, on ESPN2, between 6-10 p.m. CT.

The U.S. Open's official website will also stream coverage live throughout the day.

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