Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 San Diego | 2023/06/14 19:15 | Matt Kuhar v Mitchell Harper | 6-4,6-2 |
| ITF M15 San Diego | 2023/06/08 19:40 | Jonas Eriksson Ziverts v Mitchell Harper | 6-4,7-6 |
| ITF M15 San Diego | 2023/06/07 15:50 | Mitchell Harper v Gage Brymer | 6-3,7-6 |
| ITF M15 Rancho Santa Fe | 2023/05/30 19:00 | Jack Anthrop v Mitchell Harper | 6-1,6-2 |
| ITF M15 Tbilisi | 2023/05/05 08:00 | Mitchell Harper v Orel Kimhi | 4-6,2-6 |
| ITF M15 Tbilisi | 2023/05/04 09:25 | Egor Agafonov v Mitchell Harper | 6-7,6-7 |
| ITF M15 Tbilisi | 2023/05/03 13:30 | Jacob Bradshaw v Mitchell Harper | 1-6,1-6 |
| ITF M25 Tbilisi | 2023/04/27 06:00 | Alibek Kachmazov v Mitchell Harper | 4-6,6-1,6-2 |
| ITF M15 San Diego | 2023/06/05 17:00 | James Watt v Sebastian Gorzny | 2-6,3-6 |
| ITF M15 Tauranga | 2022/12/19 21:00 | Kody Pearson v James Watt | 6-4,6-4 |
| ITF M15 Wellington | 2022/12/17 21:00 | Ajeet Rai v James Watt | 6-2,6-4 |
| ITF M15 Wellington | 2022/12/17 01:55 | Jeremy Beale v James Watt | 3-6,4-6 |
| ITF M15 Wellington | 2022/12/16 05:15 | James Watt v Jack Loutit | 6-4,6-3 |
| ITF M15 Wellington | 2022/12/15 23:50 | Yuichiro Inui v James Watt | 3-6,1-6 |
| ITF M15 Wellington | 2022/12/12 23:15 | James Watt v Zak Talic | 6-4,6-1 |
| UTR Pro Tennis Series Columbus | 2022/08/26 22:00 | James Watt v Jayden Templeman | 6-4,6-7,6-6 |