Novak Djokovic wrote a heartfelt message to Alexander Zverev on Instagram after his injury retirement in the Australian Open.

Three of the four top seeds will compete for the titles over the weekend, with an American looking to play spoiler ...

Novak Djokovic saw his time come to an end in the Australian Open after he retired during his semifinal match.

Get caught up on the Australian Open with a guide that tells you everything you need to know about how to watch the year’s first Grand Slam tennis tournament, what the betting odds are, what the ...