The Serbian tennis star Novak Djokovic announced today, Wednesday, that he will not participate in the Paris Masters, which is scheduled for next week.

Djokovic, currently ranked fourth in the world, expressed his regrets to fans on his Instagram account, stating, “Unfortunately, I will not participate in the Paris Masters this year, and I apologize to everyone who was looking forward to seeing me.”

The Serbian star, who has won 40 titles in Masters events, did not disclose the reasons behind his decision to skip the Paris tournament.