Novak Djokovic enjoys battling win over Andy Murray

World number one Novak Djokavic says he and Andy Murray "pushed each other all the way" in a high-quality match at the ATP Tour World Finals in London.

The Serb beat the British number one and world number three, 4-6, 6-3, 7-5 to stay top of Group A in the round-robin stage.

"It could have gone either way, it was an enjoyable match" said Djokovic after the match before revealing he was off to walk his dog in London.