Zhu Yuling of China competes with Balazova Barbora of Slovakia during the single's match at Zen Noh 2014 World Table Tennis Championships in Tokyo, Japan, April 29, 2014. (Xinhua/Stringer)

Kasumi Ishikawa of Japan competes with Wu Erica of the U.S. during the women's single's match at Zen Noh 2014 World Table Tennis Championships in Tokyo, Japan, April 29, 2014. (Xinhua/Stringer)

Eva Odorova of Slovakia competes with Ding Ning of China during the women's single's match at Zen Noh 2014 World Table Tennis Championships in Tokyo, Japan, April 29, 2014. (Xinhua/Stringer)

Kasumi Ishikawa of Japan competes with Wu Erica of the U.S. during the women's single's match at Zen Noh 2014 World Table Tennis Championships in Tokyo, Japan, April 29, 2014. (Xinhua/Stringer)

Huang Yi-Hua of Chinese Taipei competes with Madarasz Dora of Hungary during the women's single's match at Zen Noh 2014 World Table Tennis Championships in Tokyo, Japan, April 29, 2014. (Xinhua/Stringer)

Eva Odorova of Slovakia competes with Ding Ning of China during the women's single's match at Zen Noh 2014 World Table Tennis Championships in Tokyo, Japan, April 29, 2014. (Xinhua/Stringer)