Novak Djokovic attended an event held by his endorsement Asics, shoe producer, on Saturday in Shanghai, China, and the interviewers showed him a photo featuring him and his son Stefan staying on a bench together looking at something on the Wimbledon practice courts.
That was actually a very funny moment. 'I was showing him (Rafael) Nadal, who was playing two courts away because he doesn't know anybody from tennis but he knows Nadal because I explained him, This is the guy who hits the ball very very hard.
When he sees him, he says, Oh, you are the guy who hits the ball very very hard', said Djokovic. Talking on his comeback, the 31-year-old added: 'I worked very hard to be able to regain confidence on the court after that I had surgery in February.
It took me several months to be able to get my game together. I have made some compensations with my game especially with my serve, I made certain changes with the racket so it took a little bit of time to get used to the new racket and serve and not to have the elbow disturbing me.
By the end of the clay-court season, I started playing at the level that I wanted to play on and the grass-court season was fantastic. Of course, the recent results in Cincinnati and New York made me very proud, so I can't complain.' ALSO READ: Rafael Nadal: Worse players than David Ferrer won a Grand Slam title .