2017 World Table Tennis Championships – Men's singles

Ma Long successfully defended his title by defeating Fan Zhendong 7–11, 11–6, 11–3, 11–8, 5–11, 7–11, 12–10 in the final.

Seeds
Matches were best of 7 games in qualification and in the 128-player sized main draw.


 * 1) 🇨🇳 Ma Long (champion)
 * 2) 🇨🇳 Fan Zhendong (final)
 * 3) 🇨🇳 Xu Xin (semifinals)
 * 4) 🇨🇳 Zhang Jike (third round)
 * 5) 🇩🇪 Dimitrij Ovtcharov (fourth round)
 * 6) 🇯🇵 Jun Mizutani (second round)
 * 7) 🇭🇰 Wong Chun Ting (quarterfinals)
 * 8) 🇩🇪 Timo Boll (quarterfinals)
 * 9)  Chuang Chih-yuan (fourth round)
 * 10) 🇯🇵 Koki Niwa (quarterfinals)
 * 11) 🇰🇷 Jeoung Young-sik (first round)
 * 12) 🇧🇾 Vladimir Samsonov  (fourth round)
 * 13) 🇫🇷 Simon Gauzy (second round)
 * 14)  Marcos Freitas (fourth round)
 * 15) 🇯🇵 Kenta Matsudaira (first round)
 * 16)  Tiago Apolónia (first round)
 * 17) 🇰🇷 Lee Sang-su (semifinals)
 * 18) 🇦🇹 Stefan Fegerl (third round)
 * 19) 🇸🇪 Kristian Karlsson (first round)
 * 20) 🇺🇦 Kou Lei (second round)
 * 21) 🇧🇷 Hugo Calderano (third round)
 * 22) 🇩🇪 Bastian Steger (second round)
 * 23) 🇸🇪 Mattias Karlsson (third round)
 * 24) 🇯🇵 Yuto Muramatsu (third round)
 * 25)  Chen Chien-an (second round)
 * 26) 🇩🇪 Ruwen Filus (fourth round)
 * 27) 🇷🇺 Alexander Shibaev (third round)
 * 28) 🇫🇷 Emmanuel Lebesson (second round)
 * 29)  Panagiotis Gionis (third round)
 * 30) 🇳🇬 Quadri Aruna (second round)
 * 31)  Andrej Gaćina (second round)
 * 32) 🇰🇷 Jang Woo-jin (third round)
 * 33) 🇨🇳 Lin Gaoyuan (fourth round)
 * 34)  Jonathan Groth (third round)
 * 35)  Gao Ning (second round)
 * 36) 🇸🇪 Pär Gerell (second round)
 * 37) 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Paul Drinkhall (second round)
 * 38) 🇩🇪 Patrick Franziska (second round)
 * 39)  João Monteiro (second round)
 * 40) 🇩🇪 Ricardo Walther (second round)
 * 41) 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Liam Pitchford (first round)
 * 42) 🇦🇹 Robert Gardos (second round)
 * 43) 🇮🇳 Sharath Kamal (third round)
 * 44) 🇰🇷 Jeong Sang-eun (fourth round)
 * 45) 🇸🇮 Bojan Tokič (second round)
 * 46) 🇵🇱 Jakub Dyjas (second round)
 * 47) 🇭🇰 Jiang Tianyi (second round)
 * 48) 🇭🇰 Ho Kwan Kit (second round)
 * 49) 🇵🇱 Wang Zengyi (second round)
 * 50) 🇪🇬 Omar Assar (second round)
 * 51) 🇸🇰 Wang Yang (second round)
 * 52) 🇷🇴 Adrian Crișan (first round)
 * 53) 🇯🇵 Tomokazu Harimoto (quarterfinals)
 * 54) 🇨🇿 Tomáš Konečný (first round)
 * 55) 🇦🇹 Chen Weixing (second round)
 * 56) 🇷🇴 Ovidiu Ionescu (third round)
 * 57) 🇮🇷 Noshad Alamian (second round)
 * 58)  João Geraldo (second round)
 * 59) 🇷🇺 Grigory Vlasov (first round)
 * 60)  Tomislav Pucar (first round)
 * 61) 🇷🇴 Hunor Szőcs (third round)
 * 62) 🇮🇳 Soumyajit Ghosh (first round)
 * 63) 🇫🇮 Benedek Oláh (second round)
 * 64) 🇰🇷 Cho Seung-min (second round)