Novak Djokovic beats Alex Zverev to reach Australian Open semifinals and set up clash with Russian record-breaker Aslan Karatsev

Follow RT on World number one Novak Djokovic propelled himself into the Australian Open semifinals by winning a tough four-set battle over Germany’s Alexander Zverev 6-7, 6-2, 6-4, 7-6 – and he will now play Russian sensation Aslan Karatsev. The defending champion will hope there are no more surprises in…

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