The final image of Juan Martin del Potro on a tennis court could have been his familiar headband resting over the net. Simple, poignant, understated and totally fitting with his elegant, injury-wracked career.

Former US Open champion Juan Martin del Potro pays an emotional goodbye to tennis after a farewell exhibition against Novak Djokovic.

It was an emotional night in Buenos Aires on Sunday as Novak Djokovic helped Juan Martin del Potro say goodbye to his tennis career. The Argentine tennis star beat the 24-time Major winner in his final match and both men immediately broke down in tears.

Juan Martin del Potro ended his career on Sunday. The 2009 US Open champion played an exhibition match against his great friend Novak Djokovic in Buenos Aires. They enjoyed every minute on the court,

Novak Djokovic and Roger Federer both paid tribute to Juan Martin del Potro at an emotional farewell match in Buenos Aires.

Novak Djokovic reserved special praise for Juan Martin del Potro after losing to the Argentinian in his final match before retiring.

Juan Martin del Potro bid farewell after beating Novak Djokovic 6-4, 7-5 in an emotional exhibition match in front of his home crowd in Buenos Aires, Argentina on Sunday.

Juan del Potro is set to play Novak Djokovic in a "goodbye" exhibition match as he opened up about the extent of his "endless injury nightmare".

Juan Martin del Potro left fans in awe after clinching the El Ultimo Desafio win in Beuno Aires against Novak Djokovic.

Former US Open champion Juan Martin del Potro emotionally retired from tennis after an exhibition match against Novak Djokovic in Argentina. The 36-year-old, who won his only major title in 2009, faced numerous injuries throughout his career,