Japan’s Nami Matsuyama (bottom) returns a shot as her teammate Chiharu Shida watches during the women’s doubles semi-final match against South Korea’s Lee So-hee and Shin Seun-chan at the Korea Open Badminton in Incheon, South Korea on Saturday.

Japan's Nami Matsuyama (bottom) returns a shot as her teammate Chiharu Shida watches during the women's doubles semi-final match against South Korea's Lee So-hee and Shin Seun-chan at the Korea Open Badminton in Incheon, South Korea on Saturday.
Japan's Nami Matsuyama (bottom) returns a shot as her teammate Chiharu Shida watches during the women's doubles semi-final match against South Korea's Lee So-hee and Shin Seun-chan at the Korea Open Badminton in Incheon, South Korea on Saturday.

.