Tennis: Djokovic through to semi-finals after Nishikori retires hurt
Reuters, , Wednesday 23 Jan 2019

Novak Djokovic reached the semi-finals of the Australian Open on Wednesday after Kei Nishikori retired hurt when trailing 6-1 4-1 in their quarter-final.

Nishikori had a medical time-out between sets, with the trainer working on a right thigh problem.

Top seed Djokovic will meet Lucas Pouille for a place in the final.

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