Djokovic claims 400th grand slam win to reach Australian Open 4th round

MELBOURNE, Jan. 24 (Xinhua) -- World number four Novak Djokovic showed no ill-effects on Saturday after tumbling to the court in a nasty fall as he clinched a record 400th grand slam win after downing Botic van de Zandschulp in the Australian Open third round.

Djokovic, a 24-time grand slam champion, has yet to lose a set but he did have some concern in his 6-3, 6-4, 7-6 (4) in two hours and 44 minutes.

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