With the French Open starting this weekend, Eurosport analyst Mats Wilander looks ahead to the action.
The seven-times Grand Slam winner considers how clay is the least favourite surface of world number one Novak Djokovic, who lost to Rafael Nadal in the final of the Rome Masters on Monday.
He is positive about the chances for French players in both the men's and women's draws.
And he considers how the weather affects the surface - which makes it the most difficult tournament to win in world tennis.
On Novak Djokovic
On the French players
On the behaviour of the clay