Back in April, the French coach revealed the decision to bring an end to their 10-year relationship, as he was forming a new partnership with former Wimbledon champion and world number one Simon Halep.

In a recent interview, Mouratoglou explained the split from Serena, stating that the key trigger for the decision was that she was not going to be competing at the French Open.

He told reporters, “I went to ask her what she was going to do,” he said.

“It wasn’t very clear to her. I asked her if she wanted to go to Roland-Garros. She told me she didn’t know.

“It was six weeks before the [WTA] Tour. I told her I was waiting for her on Monday for training and if she didn’t come I would consider myself free.”

Mouratoglou continued, stating that the decision to stop working with and training Serena made him consider if it was worth retiring from coaching altogether.

He explained: “After Serena decided to take a break, I confessed to my loved ones that I feel like I’m done with coaching.

“I knew that one of my strengths was that I had a lot of enthusiasm for my work. Without this enthusiasm, I can’t be a good coach. I felt like I had lost it.”

However, it seems that Mouratoglou has found the passion for coaching yet again, after agreeing to become Halep’s trainer in the lead up to Roland-Garros and Wimbledon.

The 57-year-old will be hoping to bring Halep success once more and that she can recapture her title winning form of 2019 at Wimbledon this year.