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 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,

MADRID (Reuters) -Three-time champion Novak Djokovic may have played at the Madrid Open for the last time after crashing out in the second round to Italian Matteo Arnaldi on Saturday, with the Serbian admitting he did not know if he would return.