Novak Djokovic admits he’s ‘sad’ because his ‘greatest rivals have left’ ahead of exhibition match against Juan Martin del Potro

Juan Martin del Potro bid farewell to tennis with a final appearance on the tennis court. Ahead of the exhibition match in Buenos Aires against the Argentine, Novak Djokovic opened up about the retirement of his biggest rivals.

Del Potro is one of the players who challenged Djokovic whenever he met the 24-time Grand Slam champion. Ahead of the exhibition match, ‘The Final Challenge,’ Djokovic was asked whether Del Potro’s farewell match would be the end of an era as Roger Federer, Rafael Nadal, and Andy Murray have bid their farewell to tennis.