Singles
Quarterfinals
Roger Federer (1), Switzerland, def. John Isner (10), Tampa, Fla., 6-4, 7-6 (5).
Doubles
Quarterfinals
Mike Bryan, Camarillo, Calif. and Bob Bryan (1), Camarillo, Calif., def. Jonathan Erlich and Andy Ram, Israel, 7-6 (4), 7-6 (10).
Women
Singles
Quarterfinals
Serena Williams (4), Palm Beach Gardens, Fla., def. Caroline Wozniacki (8), Denmark, 6-0, 6-3.
Doubles
Quarterfinals
Serena Williams and Venus Williams, Palm Beach Gardens, Fla., def. Sara Errani and Roberta Vinci (2), Italy, 6-1, 6-1.
Mixed Doubles
First Round
Sabine Lisicki and Christopher Kas, Germany, def. Liezel Huber, Houston and Bob Bryan (2), Camarillo, Calif., 7-6 (5), 6-7 (5), 1-0 (5).
