Tomas Berdych in action in his men's singles match against Roger Federer during day one of the Barclays ATP World Tour Finals at O2 Arena on November 15, 2015 in London, England. Federer won 6-4, 6-2.
Mirka Federer and Roger Federer's coach Stefan Edberg
Tomas Berdych's coach Dani Vallverdu and fitness trainer Azuz Simcich
Roger Federer and Tomas Berdych shake hands at the net after their match at the O2 Arena in London, England, Sunday Nov. 15, 2015. Federer won 6-4, 6-2.