MOSCOW, November 11 (R-Sport) – World No. 1 Novak Djokovic came back from a set down to beat Juan Martin del Potro in the semifinal of the World Tour Finals on Sunday.
The Serb managed to continue his unbeaten run at the season-ending event with a 4-6, 6-3, 6-2 win over the Argentine on the hard court in London.
The 2008 Tour Finals champion had previously won four of his five matches on hard courts against del Potro and improved his overall head-to-head record against the former U.S. Open winner to 7-2.
Defending champion Roger Federer takes on Andy Murray in the second semifinal later Sunday.
