California: World No. 2 Roger Federer defeated Swiss compatriot and doubles partner Stanislas Wawrinka 6-3, 6-4 in the quarterfinals of the ATP Masters 1000 hardcourt tournament on Friday.
Three-time former winner Federer advances to the semi-finals where he will face Serbian Novak Djokovic who defeated Frenchman Richard Gasquet 6-2, 6-4.
"I have had a wonderful hardcourt swing," Federer said. "I had a good start to the year, a good six months. I am excited, pretty healthy and really motivated."