Madrid, April 23 -- British number one Katie Boulter has broken new ground by earning the first WTA Tour clay-court win of her career at the age of 28.
Boulter moved into the Madrid Open second round with a 4-6 6-2 6-1 victory over Czech opponent Katerina Siniakova.
Despite being established at the top end of the game, Boulter's experience and exposure on the red dirt has been limited.
The world number 40's appearance at the WTA 1,000 tournament in the Spanish capital - an important event in the build-up to next month's French Open - is only the fifth time she has
competed in the main draw of a tour-level clay event.
"I've always known clay is going to be my toughest surface but I never really gave myself the
chance to play well on it...