Premise: Heather Watson . 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 . The Japan Open ( currently sponsored by Rakuten ) is a tennis tournament held in Ariake Tennis Forest Park with its center court Ariake Coliseum , located in Koto , Tokyo , Japan .
Hypothesis: Heather Watson won her first WTA singles title in Japan.
Label: ENTAILMENT