Day 1 of the 2011 U.S. Open finished with one major upset. Fifth-ranked Petra Kvitova, the 2011 Wimbledon champion, fell to Alexandre Dulgheru, 7-6(3) 6-3. Elsewhere on the women's side, Vera Zvonareva and Maria Sharapova, Nos. 2 and 3, advanced to the next round. Roger Federer, Gael Monfils and Mardy Fish all advanced on the men's side.
The second day of this tournament features more of the top tennis players in the world. Both No. 1 seeds, Novak Djokovic and Carline Wozniacki, are in action on Tuesday at Arthur Ashe Stadium. Rafael Nadal and Serena Williams are also in action.
Here is the schedule for Tuesday's top matches:
No. 1 Caroline Wozniacki vs. Nuria Llagostera Vives, Arthur Ashe Stadium, 11:00 a.m. MT at the earliest
No. 1 Novak Djokovic vs. Conor Niland, Arthur Ashe Stadium
Andrey Golubev vs. No. 2 Rafael Nadal, Arthur Ashe Stadium, 5:00 p.m. MT
No. 5 David Ferrer vs. Igor Andreev, Louis Armstrong Stadium, 9:00 a.m. MT
Bojana Jovanovski vs. No. 28 Serena Williams, Arthur Ashe Stadium, Night
Find the complete schedule at the U.S. Open's official website.
For all of our U.S. Open coverage, head over to SB Nation Tennis and The Daily Forehand.