After just one year of collaboration, Daniil Medvedev has officially parted ways with Gilles Simon, confirming the split at the ABN Amro Open in Rotterdam.

Former tennis world No.1 Daniil Medvedev and assistant coach Gilles Simon have “mutually decided” to part ways after a year together. Medvedev arrived at this week’s Rotterdam Open with a revised coaching team after confirmation that Simon had been let go. “Hey guys, Gilles Simon and I mutually decided to stop working together,” the Russian said.

After a year-long partnership that produced no silverware, Daniil Medvedev has formally split with Gilles Simon. The Russian, scheduled to start his campaign at the Rotterdam Open, issued the news just before the event.

Daniil Medvedev announced the end of his collaboration with Gilles Simon upon his arrival at the ABN AMRO Open in Rotterdam. The former world No. 1 hired the Frenchman in 2024 to join his coaching team,

During his last practice session in Rotterdam with Belgian veteran David Goffin, the former world No.1 tried several serve and volleys and dropshots. The last year has certified that Daniil's game is no longer so effective and the opponents have found the necessary solutions to put him in trouble.

Daniil Medvedev’s poor start to the 2025 tennis season has resulted in a change to his coaching set-up as he has confirmed the departure of one of his coaches. Former world No 6 Gilles Simon joined the 2021 US Open winner’s team in 2024,