Roger Federer in line of fire over scheduling and Davis Cup claims

• Veteran Julien Benneteau makes accusations against Swiss
• Wins for Djokovic and Zverev at ATP World Tour finalsRoger Federer, reaching for the 100th tournament win of his 20-year career in London this week, found himself at the centre of an awkward controversy on Monday over claims he has long benefited from preferential scheduling, and that he is undermining the integrity of the Davis Cup.Julien Benneteau, who came out of retirement this year to help France to reach the Davis Cup f