T Britain's Andy Murray reacts after losing the first set against Japan's Kei Nishikori during their round robin stage men's singles match on day four of the ATP World Tour Finals tennis tournament in London on November 16, 2016. / AFP PHOTO / Glyn KIRK

Andy Murray grinds down Kei Nishikori in epic Tour Finals clash

Gruelling win is the longest match in event’s history

Topic |   ATP World Tour Finals 2016

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T Britain's Andy Murray reacts after losing the first set against Japan's Kei Nishikori during their round robin stage men's singles match on day four of the ATP World Tour Finals tennis tournament in London on November 16, 2016. / AFP PHOTO / Glyn KIRK
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