Former world number one Chris Evert has cast doubt on Serbia’s Novak Djokovic's possibility of winning another Grand Slam.

Tennis star Novak Djokovic was recently captured on camera after a practice session with his knee strapped. The 24-time Grand ...

Zverev, who is one of Djokovic's closest friends on tour, was quizzed on the 37-year-old's current plight after his victory ...