New York: Top-seeded Roger Federer used a second-round victory in the US Open to work on his net game, winning 32 points from the front of the court Thursday night in a 6-2, 6-3, 6-2 victory over Bjorn Phau of Germany.
Federer also finished with 15 aces in a 90-minute victory over his 83rd-ranked opponent.
Federer improved his US Open record to 63-7 and stayed in the mix for his sixth US Open title, which would be a record in the Open era.
Federer`s third-round match is against No. 25 Fernando Verdasco.