2017 Marvellous 12

The 2017 Marvellous 12 was a qualifying event organized by the Chinese Table Tennis Association, Tencent Sports and Shenzhen Municipal Culture, Sports and Tourism Bureau. It was held in Shenzhen, China from 3 to 10 March 2017. It was the first edition of the tournament. Winners of Phase 1 and Phase 3 of the men's and women's singles event, namely Fan Zhendong, Lin Gaoyuan, Liu Shiwen, and Ding Ning, were each guaranteed a spot to represent China in the 2017 World Table Tennis Championships.

Format and participants
Each event consists of three phases. In Phase 1, twelve players of each event compete in a Round-Robin format and the winners qualify to the World Championships. In Phase 2, an additional player will replace the qualified player. The players would then be divided into 3 groups of 4 players. Each group plays in single-elimination format. In Phase 3, three group winners of Phase 2 compete in a Round-Robin format and the winner qualifies to the World Championships.

Men's singles

 * Ma Long
 * Zhang Jike
 * Fan Zhendong
 * Xu Xin
 * Xu Chenhao
 * Fang Bo
 * Liang Jingkun
 * Zhou Yu
 * Yan An
 * Liu Dingshuo
 * Lin Gaoyuan
 * Zhou Qihao
 * Shang Kun (entered Phase 2)
 * Zhou Kai (replaced Zhang Jike in Phase 2)

Women's singles

 * Ding Ning
 * Liu Shiwen
 * Zhu Yuling
 * Wu Yang
 * Wang Manyu
 * Gu Yuting
 * Chen Meng
 * Li Jiayi
 * Chen Ke
 * Yuan Xuejiao
 * Mu Zi
 * Feng Yalan
 * Che Xiaoxi (entered Phase 2)

Phase 1
Notes:
 * 1) Fan Zhendong won this Phase with a head-to-head record of 2-1 against Ma Long.
 * 2) Zhang Jike withdrew due to injury after 6 matches and was then replaced by Zhou Kai in Phase 2.