EVENT 113 Men Open 50m Butterfly - Semi Final
| Semi-Final - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Reece Grady | 17 | Melbourne | 27.14 |
| 2 | 2 | Samuel Tucker | 18 | Melbourne | 26.51 |
| 3 | 3 | Dylan Reeve | 17 | Delhi | 26.10 |
| 4 | 4 | Jakob Goodman | 22 | Victoria | 25.56 |
| 5 | 5 | Alexander Painter | 18 | Melbourne | 25.75 |
| 6 | 6 | Matthew Cairns | 17 | Auckland | 26.29 |
| 7 | 7 | Joshua Bailye | 17 | Victoria | 26.88 |
| 8 | 8 | Olivier Vedrenne | 17 | Glasgow | 27.73 |
| Semi-Final - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Alexander Casey | 18 | Gold Coast | 27.01 |
| 2 | 10 | Jacob Greenow | 23 | Kuala Lumpur | 26.35 |
| 3 | 11 | Henry Gray | 16 | Gold Coast | 26.05 |
| 4 | 12 | Joshua Gammon | 19 | Manchester | 25.07 |
| 5 | 13 | Jake Hutchinson | 16 | Glasgow | 25.62 |
| 6 | 14 | R Rowbotham-Keating | 17 | Victoria | 26.16 |
| 7 | 15 | Dominic Morgan | 17 | Glasgow | 26.84 |
| 8 | 16 | Thomas Trebilcock | 19 | Delhi | 27.26 |