Top 5 clay courters of all time 

#4 Mats Wilander

By the age of 20, he had already had five Grand Slams under his belt

Mats Wilander was one of the greats of the late 80's, who known for his rivalry with Ivan Lendl. Nowadays, Wilander often comes as an analyst on tour.

His intelligence on the strategical side of tennis particularly helped him in his clay court success. With 20 clay court titles to his name, including three French Open titles, Wilander catapulted himself to success at an incredibly young age.

At the tender age of 17 years, the Swede had won his first French Open title at the first time of asking as an unseeded player. By the age of 20, he had already had five Grand Slams under his belt.

Being a fellow Swedish player, he was always compared to Bjorn Borg for his success on all surfaces, strong mental fortitude and constantly putting that one extra ball back into play.