I turned Coco Gauff into Grand Slam winning machine, Andre Agassi called me ‘greatest coach’, and even gave lessons to Zendaya

Coco Gauff has been turned into a winning machine over the last year and has now added a Grand Slam doubles title to her trophy cabinet.

The secret to her success has been sitting in her box at the French Open.

That is of course her coach, Brad Gilbert, who has been working with the American since July 2023.

Under Gilbert’s tutelage, Gauff has already won her maiden Grand Slam at the US Open last September.

She made it through to singles semi-finals at Roland Garros before losing to eventual champion Iga Swiatek.

Gauff tasted success in the French Open doubles, winning the tournament alongside Katarina Siniakova.

Writing on social media, he said: “The champions amazing. 1st time partnership .”

Gilbert can take plenty of credit – with the 20-year-old guaranteed to achieve her career highest ranking of number 2 after Roland Garros.

American Gilbert himself was a handy player, reaching number four in the world and winning bronze at the 1988 Olympics.