The Sun was shining brightly in the New York City sky as Day 1 of the US Open began on Monday.
Three-time US Open champion Serena Williams did press and accepted her US Open Series title.
No.5 seed Petra Kvitova was the only seeded casualty on Day 1, falling to Alexandra Dulgheru.
Alexandra Dulgheru rejoiced as she collected her third Top 10 win, but first away from clay.
In the first match of her finals defense, No.2 seed Vera Zvonareva cruised in straight sets.
No.3 seed Maria Sharapova met Heather Watson at the net after outlasting the Brit, 36 75 63.
Heather Watson left Arthur Ashe Stadium to a large round of applause and a standing ovation.
No.8 seed Marion Bartoli signed autographs after winning her first round match Monday evening.
The opening ceremony drew some very famous names, including Susan Sarandon and Alec Baldwin.
WTA legend Martina Navratilova was in the stands for the US Open's opening ceremony on Monday.
Pam Shriver, a commentator for ESPN, interviewed legendary singer Tony Bennett on Monday night.
Fireworks went off on Night 1 at the Open. Venus Williams and Roger Federer were the night card.
In her first match since Wimbledon, Venus Williams made it past Russia's Vesna Dolonts, 64 63.
Venus Williams is a two-time US Open champion, in 2000 and 2001, her only non-Wimbledon majors.
The youngest player in the Top 100, Christina McHale, battled into the night to win her opener.