| Event: | Men's singles |
| Championship: | 2021 World Table Tennis Championships |
| Dates: | 23–29 November |
| Venue: | George R. Brown Convention Center |
| Location: | Houston, United States |
| Win Label: | Final score |
| Win Value: | 11–6, 11–9, 11–7, 11–8 |
| Gold: | Fan Zhendong |
| Gold Nation: | CHN |
| Silver: | Truls Möregårdh |
| Silver Nation: | SWE |
| Bronze: | Liang Jingkun |
| Bronze Nation: | CHN |
| Bronze2: | Timo Boll |
| Bronze2 Nation: | GER |
| Prev: | 2019 |
| Next: | 2023 |
See main article: 2021 World Table Tennis Championships.
The men's singles competition of the 2021 World Table Tennis Championships was held from 23 to 29 November 2021.[1]
Ma Long was the three-time defending champion, but did not compete in this year's tournament.
Fan Zhendong won the title after defeating Truls Möregårdh 11–6, 11–9, 11–7, 11–8.
Seeding was based on the ITTF world ranking published on 16 November 2021.[2] [3] [4]
Fan Zhendong (champion)
Tomokazu Harimoto (second round)
Hugo Calderano (quarterfinals) Lin Gaoyuan (quarterfinals) Liang Jingkun (semifinals)
Mattias Falck (second round)
Jang Woo-jin (first round) Wang Chuqin (fourth round)
Simon Gauzy (third round) Koki Niwa (second round) Lee Sang-su (second round)
Wong Chun Ting (fourth round)
Robert Gardos (second round) Kristian Karlsson (fourth round)
Omar Assar (first round)
Sharath Kamal (first round)
Kanak Jha (quarterfinals)
Yang Wang (fourth round, withdrawn) Sathiyan Gnanasekaran (third round) Gustavo Tsuboi (second round) Emmanuel Lebesson (third round)