Britain's Andy Murray prevails against Japan's Kei Nishikori after a brutal encounter at the ATP World Tour Finals.
Andy Murray moved a step closer to the semi-finals of the ATP Tour Finals as the world number one wore down Kei Nishikori in a gruelling victory.
Novak Djokovic rediscovers his warrior spirit to tame Milos Raonic in a fiery duel at the ATP World Tour Finals.
Raven Klaasen and Rajeev Ram caused an upset at the O2 Arena in London when they defeated the top seeds Pierre-Hugues Herbert and Nicolas Mahut.
Kei Nishikori avenged his painful US Open loss to Stan Wawrinka as he routed the world number three in his opening match at the ATP Tour Finals.
Trying to gauge the simmering emotions of Novak Djokovic is becoming a more complex exercise than assessing who might end the year as world No 1.
Caroline Garcia put on another aggressive display to floor world No 6 Karolina Pliskova in the Fed Cup final on Sunday.
Andy Murray and Novak Djokovic will stage a dramatic battle to finish 2016 on top of the world as the two aim for the title at the ATP Tour Finals.
Andy Murray insists he won't rest on his laurels after becoming world number one.
Maria Sharapova will once again be a UN goodwill ambassador when her doping ban expires and she returns to international tennis competition.
South Africa's Kevin Anderson has continued his descent in the ATP singles rankings as he has dropped 12th places to 70th.
Andy Murray's route to securing the year-end world number ranking looks fraught with danger after the top seed was grouped ...
At 35, logic suggests Roger Federer's days of challenging for silverware may be numbered. His last grand slam title came at Wimbledon in 2012.
Andy Murray insisted he was taking nothing for granted going into the Tour Finals, after overtaking Novak Djokovic as the new world number one.
More than seven years after he first ranked No 2, Andy Murray will take over the No 1 position in the ATP rankings on Monday.