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.

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.

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

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 played the last match of his career in an exhibition versus Novak Djokovic in Buenos Aires. The 2009 US Open champion gave everything to extend his career following two severe knee injuries.

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 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.

Here are 5 wholesome moments that explain why Juan Martin del Potro picked Novak Djokovic as his opponent for the “El Ultimo Desafio”.

With a spectacular show featuring Gabriela Sabatini and Gisela Dulko, Juan Martin Del Potro defeats Novak Djokovic 6-4, 7-5 in his farewell match. A tennis legend retires and all that remains is to thank him for so many moments,