The 2011 U.S. Open began on Monday at 9:00 a.m. MT in Flushing Meadows, NY. The No. 1 seeds aren't in action today, but men's No. 3 Roger Federer and women's No.2 seed Vera Zvonareva are both competing today. Both don't play until later today.
Two matches are already complete. On the men's side, Flavio Cipolla defeated Kei Nishikori 6-4 and 6-2 before a retirement. For the women, Monica Niculescu defeated Patricia Mayr-Achleitner in straight sets, 6-3 6-3.
Here are a few of the top remaining men's matches for Monday:
Tobias Kamke vs. No. 8 Mardy Fish, Arthur Ashe Stadium, 1:00 p.m. ET
Grigor Dimitrov vs. No. 7 Gael Monfils, Louis Armstrong Stadium, 5:00 p.m. ET or later
No. 3 Roger Federer vs. Santiago Giraldo, Arthur Ashe Stadium, 7:00 p.m. ET
The women's matches:
Stephanie Foretz Gacon vs. No. 2 Vera Zvonareva, Louis Armstrong Stadium
No. 8 Marion Bartoli vs. Alexandra Panova, Louis Armstrong Stadium
Heather Watson vs. No. 3 Maris Sharapova, Arthur Ashe Stadium, 1:00 p.m. ET
Vesna Dolonts vs. Venus Williams, Arthur Ashe Stadium, Stadium, 7:00 p.m. ET
For all of our 2011 U.S. Open coverage, head over to SB Nation Tennis.