Katie Boulter came from a set down against Katerina Siniakova in the Mutua Madrid Open first round to notch her first career win on clay in a WTA main draw.

Naomi Osaka’s clay-court season started with a loss in the first round of the Madrid Open against Lucia Bronzetti.

Here, looking at a combination of factors including French Open success, overall titles won, win percentage, and era, we rank ...