Tomas Berdych reacts during his tennis match against Novak Djokovic at the ATP World Tour Finals in London...
Tomas Berdych of Czech Republic reacts during his tennis match against Novak Djokovic of Serbia at the ATP World Tour Finals at the O2 Arena in London November 14, 2014. Djokovic added another processional victory to the lengthening list at the ATP World Tour Finals with a 6-2 6-2 demolition of subdued Berdych on Friday. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)