French second-seed Richard Gasquet topped Mayer 6-3 7-6 ( 4 ) and Russian Mikhail Youzhny beat Kohlschreiber , the 2011 champion , 6-3 6-2 . Andy Murray does n't lose a game against his quarterfinal opponent . Federer next meets doubles partner Tommy Haas on the grass in London . Tommy Haas reaches the semifinals at CNN event in Halle .
Andy Murray does n't lose a game against his quarterfinal opponent . Federer next meets doubles partner Tommy Haas on the grass in London . Tommy Haas reaches the semifinals at CNN event in Halle .