Andy Murray got revenge on Kei Nishikori for his defeat at the US Open but needed to battle for more than three hours to do so, gutting out a 6-7 (9-11), 6-4, 6-4 victory in Group John McEnroe action at the ATP World Tour Finals.
Read moreAndy Murray got revenge on Kei Nishikori for his defeat at the US Open but needed to battle for more than three hours to do so, gutting out a 6-7 (9-11), 6-4, 6-4 victory in Group John McEnroe action at the ATP World Tour Finals.
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