• Tomas Berdych makes his entrance at the ATP World Tour Finals at the O2 Arena in London
  • But it was opponent Stanislas Wawrinka who made the better start as he moved a break up in the first set
  • Berdych launched a fightback and took the second to a tie-break
  • The Czech came through that 7-0 to set up a decider
  • But it was Wawrinka who got on top in the third, breaking the Berdych serve for a second time to take control
  • The Swiss No.2 held his nerve to emerge victorious on his debut at the season-ending event in London
  • Wawrinka consoles a disappointed Berdych after sealing victory
  • The Swiss star acknowledges the crowd after receiving strong support throughout
  • Juan Martin del Potro was up against Richard Gasquet in the evening session
  • Gasquet was the final player to book his place at the eight-man tournament
  • The Frenchman won the opening set in a tie-break
  • Del Potro regrouped and, helped by a dominant serve, claimed the second set 6-3
  • And Del Potro took the decider 7-5 to complete victory in two hours and 23 minutes

ATP World Tour Finals - Day 1

Tomas Berdych makes his entrance at the ATP World Tour Finals at the O2 Arena in London