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

It's the second time in the past four Grand Slams that Novak Djokovic needed to abandon his spot in the latter stages of the ...

MELBOURNE, Australia — It could be tempting to write off Novak Djokovic at this point, to think he might be closer than ever to being done competing for Grand Slam titles and closer than ever to ...