But Federer is on course to become the first man to win the ATP championships six times after overcoming Mardy Fish 6-1 3-6 6-3 to eliminate the eighth-ranked American . Roger Federer rules out London after winning again at Murray . Swiss star says there is no reason to strike over tournament scheduling . Federer hands American Mardy Fish his first defeat of Saturday in boycotts . He had already qualified top of his group for Saturday 's semifinals .
Roger Federer rules out London after winning again at Murray . Swiss star says there is no reason to strike over tournament scheduling . Federer hands American Mardy Fish his first defeat of Saturday in boycotts . He had already qualified top of his group for Saturday 's semifinals .