The boys' singles of the tournament 2018 BWF World Junior Championships was held on 12–18 November. The defending champion of the last edition was Kunlavut Vitidsarn from Thailand.
Seeds
Kunlavut Vitidsarn (champion) Ikhsan Rumbay (fourth round) Li Shifeng (semifinals) Lakshya Sen (semifinals) Arnaud Merklé (third round) Nhat Nguyen (quarterfinals) Bai Yupeng (second round) Jason Teh (third round)
Chen Shiau-cheng (fourth round) Christopher Grimley (first round) Julien Carraggi (second round) Alberto Alvin Yulianto (quarterfinals) Lukas Resch (third round) Brian Yang (third round) Joel Koh (second round) Danylo Bosniuk (third round)
Draw Finals
Top half Section 1
Section 2
Section 3
Section 4
Bottom half Section 5
Section 6
Section 7
Section 8
References