On Saturday, the 4-seed Djokovic took on unseeded Matteo Arnaldi in their first-ever meeting. Arnaldi defeated Djokovic in straight sets during their second-round match at the Madrid Open: 6-3, 6-4.

Novak Djokovic has lost to Matteo Arnaldi in the opening round of the Madrid Open. That extends the 24-time Grand Slam winner's struggles on clay ahead of Roland Garros.

Novak Djokovic admits he may have played his last-ever match in Madrid after he crashed out in his opening round at the Caja Magica on Saturday. Djokovic's bid for a 100th career title was scuppered by Italian Matteo Arnaldi,