Here are some of the best second-round matches and the television schedule for today’s Day 4 of the 2011 U.S. Open Tennis Championships at the Billie Jean King National Tennis Center in Flushing. All times are Eastern. Television coverage is live unless otherwise noted.
Roger Federer (3) vs. Dudi Sela, 11 a.m.
Malek Jaziri vs. Mardy Fish (8), 5 p.m.
Novak Djokovic (1) vs. Carlos Berlocq, 7 p.m.
Michaella Krajicek vs. Serena Williams (28), 11 a.m.
Victoria Azarenka (4) vs. Gisela Dulko, 5 p.m.
Caroline Wozniacki (1) vs. Arantxa Rus, 7 p.m.
SB Nation New York also has a wrap-up of an eventful Day 3 that saw Americans Andy Roddick and Irena Falconi advance to the third round.
You can find the complete schedule of play on the tournament’s official website.
— Follow SB Nation’s StoryStream for the 2011 U.S. Open for continuing coverage of the year’s final Grand Slam.