Rafael Nadal took a medical time-out late in the fourth set for treatment. (Source: Reuters)
Marin Cilic advanced to the semi-finals of the Australian Open on Tuesday after top seed Rafa Nadal retired hurt when trailing 3-6 6-3 6-7(5) 6-2 2-0 in their match at Rod Laver Arena.
Nadal took a medical time-out late in the fourth set for treatment on an apparent hip injury and was clearly struggling as he battled on in the evening match.
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