Andy Murray of Britain in action against Viktor Trocki of Serbia during part two of their semi final match at the Aegon tennis championships at the Queens Club in London, Britain 21 June 2015. Rain and injury delayed the semi final match on 20 June. EPA/FACUNDO ARRIZABALAGA

Viktor Trocki of Serbia in action against Andy Murray of Britain during part two of their semi final match at the Aegon tennis championships at the Queens Club in London, Britain 21 June 2015. Rain and injury delayed the semi final match on 20 June. EPA/FACUNDO ARRIZABALAGA

Swiss tennis player Roger Federer in action against Andreas Seppi from Italy during their final match at the ATP tournament in Halle, Germany 21 June 2015. EPA/MAJA HITIJ

Andy Murray of Britain lifts the trophy after winning against Kevin Anderson of South Africa during the final match of the Aegon tennis championships at the Queens Club in London, Britain, 21 June 2015. EPA/FACUNDO ARRIZABALAGA

Swiss tennis player Roger Federer (L) celebrates winning against Andreas Seppi (R) from Italy during their final match at the ATP tournament in Halle, Germany, 21 June 2015. EPA/MAJA HITIJ

Swiss tennis player Roger Federer celebrates winning against Andreas Seppi from Italy during their final match at the ATP tournament in Halle, Germany 21 June 2015. EPA/MAJA HITIJ