Live match in a minute from the O2 where Rafael Nadal beat Andy Murray 6-4 6-1 to become the only unbeaten man in his ATP World Tour Finals group.
The Spaniard stole a tight first set that was moving towards a tie break before racing clear in the second to become the only man left unbeaten in their group.
On Friday Nadal will face David Ferrer in his final match, whilst Murray plays Stan Wawrinka knowing that a win will still allow progression to the semi-finals.
The 28 year-old Scot will need to improve from his display here to beat the world number four, ahead of representing Britain at their first Davis Cup final since 1978.