The clock is ticking for Novak Djokovic and what appears to be a groin or hamstring strain sustained during his quarter-final victory after he expressed fears the injury could hinder his pursuit of an 11th Australian Open and 25th grand slam title.
Djokovic overpowered Carlos Alcaraz in four sets in a match that finished close to 1am on Wednesday, fighting back after losing a first set when he received medical treatment on his upper thigh.
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