Katie Boulter won her first WTA 500 title by fighting back from a set down to defeat Marta Kostyuk in the San Diego Open final.
The 27-year-old Briton won 5-7 6-2 6-2 in the biggest triumph of her career so far.
After a close first set, Boulter dominated Ukrainian Kostyuk to secure a victory that lifts her to a career-high ranking of 27th in the world.
"I don't know what just happened," Boulter said after the match.
"This week has been very, very special for so many different reasons. This one is pretty amazing, I've worked very hard for it, I played some incredible tennis all week.