Top seed Roger Federer fended off a resurgent 12th seed Robin Soderling with two razor-thin tie-breaking sets to reach the U.S. Open semifinals 6-0, 6-3, 6-7 (6-8), 7-6 (8-6)
Federer on Wednesday unleashed 28 aces and kept unforced errors to 26, compared with his Swedish opponent’s 45, to pull the win. Federer succeeded in winning 86 percent on his first serve alone
Third seed Rafael Nadal of Spain overcame a first set tiebreaker loss to cruise through the next three sets and beat Frenchman Gael Monfils 6-7 (3-7), 6-3, 6-1, 6-3 in the U.S.