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Britain’s Katie Boulter says “nothing stops here” after fighting back from a set down to win her first WTA 500 title and defeat Marta Kostyuk in the San Diego Open final.
Boulter beat Ukrainian Kostyuk to secure a victory that lifts her to a career-high ranking of 27th in the world.
READ MORE: Boulter beats Kostyuk to win San Diego Open title
