Novak Djokovic has ended his collaboration with Croatian coach Goran Ivanišević after five years. The tennis professional announced this in an Instagram post on Wednesday.

During their collaboration, the Serb won nine Grand Slam tournaments. The French Open starts in two months, then Novak DjOKovic wants to win his 25th Grand Slam tournament. The Croatian won Wimbledon in 2001 and had previously reached the finals in 1992, 1994 and 1998. In 1994 he was number two in the world rankings, the highest ranking of his career.