| Date | 8 October 2018 — 19:02 |
|---|---|
| Location | Natatorium, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires |
| Pos | Competitor | NOC | Time | |||
|---|---|---|---|---|---|---|
| 1 | Sun Jiajun |  CHN | 1:00.59 | |||
| 2 | Denis Petrashov |  KGZ | 1:01.34 | |||
| 3 | Taku Taniguchi |  JPN | 1:01.40 | |||
| 4 | Yu Hanaguruma | JPN | 1:01.62 | |||
| 5 | Michael Houlie |  RSA | 1:01.70 | |||
| 6 | Caspar Corbeau |  NED | 1:01.81 | |||
| 7 | Vladislav Gerasimenko |  RUS | 1:02.43 | |||
| 8 | Jan Kałusowski |  POL | 1:02.69 |
