The men's singles competition of the 2025 World Table Tennis Championships was held from 17 to 25 May 2025. The event was played as a straight knockout. All singles matches were best of 7 games.
China's Wang Chuqin captured his first men's singles title at the World Championships by defeating Brazil's Hugo Calderano in the final.
Seeds.
Singles events had 32 seeded players. Seeding was based on the ITTF world ranking published on 29 April 2025.
Draw.
The draw took place on 30 April 2025. Players of the same association were separated only in the first round.