| Lane/Order | BIB | ATHLETE | Seeding Time | Note | |
|---|---|---|---|---|---|
| 1 | 603 | MYANMAR | MG KAUNG KHANT TUN | NT | |
| 2 | 215 | INDONESIA | RIZAL HAFID FUADI | 21.94 | q |
| 3 | 910 | VIETNAM | QUANG HUY LAM | 21.85 | Q |
| 4 | 421 | THAILAND | PHURITHADA CHAMNANSI | 22.36 | Q |
| 5 | 102 | MALAYSIA | DANISH IRFAN BIN TAMRIN | 21.72 | Q |
| 6 | 511 | PHILIPPINES | KIAN LABAR | 21.74 | Q |
| 7 | 103 | MALAYSIA | AIRIEL AMANI BIN KAHAR | 21.75 | Q |
| 8 | 313 | SINGAPORE | JONATHAN PHILIP HOARE | 22.42 | Q |