U.S. Open 2012 is less than 24 hours away from setting off. The Men and Women will hit the court at 11 a.m. and proceed from there. 

The Arthur Ashe Stadium 11 a.m. ET schedule looks as follows:
Petra Martic vs. Samantha Stosur (7)
Andy Murray (3) vs. Alex Bogomolov Jr.
Maria Sharapova (3) vs. Melinda Czink

Stosur is the defending 2011 U.S. Open champion.

In Louis Armstrong Stadium the action also begins at 11 a.m. ET. Victoria Azarenka, the No. 1 ranked in Women's Singles, will play the last match of the morning session at the stadium, but it might be moved to Ashe Stadium. 
Lukas Lacko vs. James Blake
Melanie Oudin vs. Lucie Safarova
Mardy Fish vs. Go Soeda

The match everybody will be waiting for will take place in Arthur Ashe Stadium in the evening session. The night match will begin at 7 p.m. ET.

For the women, Victoria Duval will face Kim Clijsters, who has already announced she wil retire following the end of the U.S. Open. 

Following the Women's Singles match will be the No. 1 ranked player in Men's Singles, Rodger Federer. He will face American, Donald Young. 

For the remaining schedule of the Opening Day at the U.S. Open, click here.