Andy Murray of Britain reacts during the men's singles final against Serbia's Novak Djokovic at the 2016 ATP World Tour Finals at the O2 Arena in London, Britain on Nov. 20, 2016. Murray won 2-0. (Xinhua/Han Yan)
Andy Murray of Britain reacts during the men's singles final against Serbia's Novak Djokovic at the 2016 ATP World Tour Finals at the O2 Arena in London, Britain on Nov. 20, 2016. Murray won 2-0. (Xinhua/Han Yan)