Novak Djokovic has given Father Time an incredible fight, but it looks like the 24-time Grand Slam champion is finally running out of gas. There have been flashes of brilliance for Djokovic this season.

With money tight, Djokovic’s parents made the painful choice to put their limited resources behind Novak, while brothers Marko and Djordje saw their own tennis ambitions pushed aside.

Novak Djokovic struggles with the heat and humidity as he falls to a shock defeat by Argentina's Thiago Tirante in the second round of the Cincinnati Open.

A distressed Novak Djokovic has come clean on a health condition he has concealed after collapsing at the Cincinnati Open on Sunday.

Mason: Novak Djokovic made a brief exit from the Cincinnati Open, and it could mark his final appearance at the tournament. The 24-time Grand Slam champion suffered a 2-6, 6-4, 6-4 defeat to Thiago Agustin Tirante on Saturday in a match lasting two hours and 44 minutes amid hot and humid conditions.

Novak Djokovic’s wife, Jelena, shared a romantic message for the Serb, expressing her love for him and opening up about how she sees him as a person. Djokovic was last seen in action at Wimbledon,

Djokovic suggests he is only aware of how much his family sacrificed for him to play as long as he has.

Novak Djokovic suffered an early defeat at the ATP 1000 tournament in Cincinnati. The 39-year-old Serbian lost to Argentina's Thiago Tirante, ranked No. 50 in the world, 6-2, 4-6, 4-6.