| UTR Pro - Winston-Salem | 2023/11/28 19:30 | Jamieson Nathan v Matija Samardzic | 6-1,5-7,4-6 |
| UTR Pro - Winston-Salem | 2023/11/27 22:30 | Jamieson Nathan v Holden Koons | 2-6,0-6 |
| ITF M15 Winston-Salem | 2023/11/06 19:00 | Jamieson Nathan v Ishaan Ravichander | 2-6,1-6 |
| UTR Pro - Winston-Salem | 2023/09/09 22:30 | Jamieson Nathan v Saud Alhaqbani | 6-4,7-5 |
| UTR Pro - Winston-Salem | 2023/09/07 19:12 | Matthew Thomson v Jamieson Nathan | 1-6,6-3,6-2 |
| UTR Pro Tennis Series - Bendigo | 2022/12/17 23:00 | Alexander Despoja v Jamieson Nathan | 3-6,6-4,5-2 |
| UTR Pro Tennis Series - Bendigo | 2022/12/17 03:32 | Marin Dumitru v Jamieson Nathan | 2-6,2-6 |
| UTR Pro Tennis Series - Bendigo | 2022/12/16 00:45 | Andre Filep v Jamieson Nathan | 4-6,4-6 |
| ITF M25 Gold Coast | 2023/11/26 00:00 | Timmy Karpinski v Stefan Bianchet | 6-7,0-6 |
| ITF M25 Brisbane | 2023/11/19 02:30 | Timmy Karpinski v Matthew Woerndle | 5-7,6-7 |
| ITF M25 Cairns | 2023/10/03 00:00 | Timmy Karpinski v Chen-Yu Lu | 6-4,6-1 |
| ITF M25 Cairns | 2023/10/01 00:00 | Timmy Karpinski v Matthew Scheers | 6-4,6-2 |
| UTR Pro Carrara | 2023/09/30 00:30 | Matt Hulme v Timmy Karpinski | 6-3,6-3 |
| UTR Pro Carrara | 2023/09/29 02:40 | Timmy Karpinski v Matthew Scheers | 6-3,6-4 |
| UTR Pro Carrara | 2023/09/27 03:30 | Timmy Karpinski v Tomislav E Papac | 3-6,1-6 |
| UTR Pro Carrara | 2023/09/26 06:00 | Timmy Karpinski v Lawrence Bataljin | 3-6,1-6 |