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Kei Nishikori has advanced to the US Open semifinals after an epicĀ five-set win over world No.2 Andy Murray.

Nishikori won the matchĀ 1-6 6-4 4-6 6-1 7-5, ending a brilliant run of form from Murray which saw him winĀ Wimbledon, the Rio Olympics, Queen’s Club and Rome.

The No.6 six seed will meet eitherĀ Stan Wawrinka or Juan Martin del Potro in the semifinals.