Novak Djokovic has admitted to battling with personal and private issues during the Wimbledon, which could have been one of the reasons for his shock exit at tennis' premier tournament. The Serbian star, who was the favourite coming into the tournament, was shocked by American Sam Querrey in the third round at SW 19.

The 29-year-old has revealed that certain problems in his personal life were linked to his poor performance at the Wimbledon earlier this year.

"I am in a position, like everybody else, like all of you, we all have private issues and things that are more challenges than issues. More things that we have to encounter and overcome in order to evolve as a human being", Djokovic said as quoted by The Telegraph.

"That (Wimbledon) was a period for me. It happened right here. It was resolved and life is going on like everything else. It was some other injury I was going through privately and nothing linked to the wrist injury. Everything is fine. Life is going on," Djokovic added.

The current world number one has not had a successful time on court in the past few months; he also lost in the first round of the men's singles event in the recently concluded Rio 2016 Olympic Games in Brazil. The 29-year-old has also been plagued by a wrist injury that led him to pull out of last week's Cincinnati Masters.

"The wrist hasn't been in an ideal state for the last three-and-a-half weeks, But I'm doing everything in my power with the medical team to make sure that I'm as close to 100 per cent as possible. I will try and compensate and improvise as much as I can and find the best ways of getting myself properly treated," he explained.

The Serb will next be seen in action at the 2016 US Open where he is the defending champion and will open his campaign against Jerzy Janowicz in the first round on 29 August.