Novak Djokovic and Rafael Nadal forged the ultimate Open era rivalry. The greatest players of all time battled at the most notable tournaments between 2006 and 2024, embracing 60 encounters and writing new pages of tennis history.

Novak Djokovic has had a lengthy career of dominance. He's won every significant title and has the most Grand Slams of all time. But nothing lasts forever. The Serbian suffered a 6-3, 6-4 loss to Matteo Arnaldi at the Madrid Open on Saturday.

Novak Djokovic has confessed that he may have just played his last match at the Madrid Masters after falling to Matteo Arnaldi 6-3, 6-4 in the second round. The Serb has now lost his opening match at four of his last five events – with the exception being a run to the final at the Miami Open.