In the 2nd round of the Guga Kuerten group of the ATP Finals at London's O2 Arena, Croatia's best tennis player Marin Čilić defeated American John Isner 6-7 (2), 6-3, 6-4 to keep his hopes alive for the semi-finals.

Marin Čilić lost the opening of the ATP Finals in London to number-one world ranked tennis player Andy Murray. The final score was 6:3, 6:2 after an hour and a half game.

The final Masters tournament in London has opened - the tournament in which only eight of the best tennis players in the world from the current year compete against one another. Amongst the lucky 8 is Croatia’s Marin Čilić.