Heather Watson is a champion.
Heather Miriam Watson ( born 19 May 1992 ) is a British tennis player and a Wimbledon Mixed Doubles Champion . On 14 October 2012 , Watson won her first WTA singles title with a win over Chang Kai-chen of Taiwan in the final of the Japan Open , becoming the first British female to win a WTA singles title since Sara Gomer in 1988 .