Ground: Hardcourt outdoor
| UTR Pro Melbourne | 2023/12/20 08:17 | Lachlan Brain v Patrick Fitzgerald | 6-7,6-7 |
| UTR Pro Melbourne | 2023/12/19 23:30 | Lachlan Brain v Omar Fields | 6-7,5-7 |
| UTR Pro Melbourne | 2023/12/18 05:30 | Lachlan Brain v Omar Jasika | 0-6,0-6 |
| UTR Pro Melbourne | 2023/12/16 23:30 | Lachlan Brain v Stefan Vujic | 0-6,3-6 |
| UTR Pro Texas | 2023/11/16 19:09 | Lachlan Brain v Liam Krall | 2-6,2-6 |
| UTR Pro Texas | 2023/11/15 21:27 | Sebastian Gorzny v Lachlan Brain | 6-1,6-1 |
| UTR Pro Texas | 2023/11/14 17:00 | Cassius Chinlund v Lachlan Brain | 6-3,7-6 |
| UTR Pro Texas | 2023/11/13 17:00 | Lathan Skrobarcek v Lachlan Brain | 3-6,0-6 |
| ITF M25 Gold Coast | 2023/11/29 03:05 | Zachary Viiala v Hayden Jones | 7-6,2-6,1-6 |
| ITF M25 Brisbane | 2023/11/22 03:05 | Goncalo Oliveira v Zachary Viiala | 6-4,6-2 |
| Challenger Playford | 2023/10/23 05:50 | Li Tu v Zachary Viiala | 7-5,6-2 |
| ITF M25 Cairns | 2023/10/13 01:00 | Zachary Viiala v Blake Ellis | 6-7,2-6 |
| ITF M25 Cairns | 2023/10/12 00:00 | Makoto Ochi v Zachary Viiala | 5-7,6-4,1-6 |
| ITF M25 Cairns | 2023/10/11 00:00 | Luka Vuglar v Zachary Viiala | 4-6,0-6 |
| ITF M25 Cairns | 2023/10/10 03:00 | Zak Talic v Zachary Viiala | 3-6,4-6 |
| ITF M25 Cairns | 2023/10/10 00:00 | Zachary Viiala v Lawrence Bataljin | 6-3,6-2 |