It's Day 6 at the U.S. Open, and the men will start their third round. Some matches of interest include:

No. 1 Roger Federer vs. No. 25 Fernando Verdasco. This match is likely to start between 3 and 4 p.m. ET.

Mardy Fish (23) vs. Gilles Simon (16) at roughly 9 p.m. The two have not yet faced each other this year.

Andy Murray (3) vs. Feliciano Lopez (30) at 1 p.m. in Louis Armstrong Stadium.

James Blake vs. Milos Raonic (16). Blake, a former Harvard standout, will look to pull off the upset around 3 p.m..

On the women's side:

No. 30 Jelena Jankovic will challenge No. 2 Agnieszka Radwanska at 11 a.m. and Serena Williams (4) will take on unranked Ekaterina Makarova of Russia at roughly 1 p.m.

To see a full schedule, check out the U.S. Open's official website.

CBS and CBS Sports will provide live coverage from 11 a.m. to 6 p.m.

For more on the 2012 U.S. Open and other tennis news, notes, and analysis, head on over to SB Nation's Tennis Hub.