Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Edmonton | 2023/11/02 19:20 | Liam Draxl v Nicolas Kotzen | 6-3,6-4 |
| ITF M25 Edmonton | 2023/10/31 17:20 | Nicolas Kotzen v Drew Van Orderlain | 6-2,6-4 |
| ITF M25 Edmonton | 2023/10/30 20:15 | Nicolas Kotzen v Calvin Thalheimer | 6-1,6-2 |
| ITF M25 Edmonton | 2023/10/29 23:20 | Nicolas Kotzen v Collin Hyte | 6-0,6-1 |
| UTR Pro Columbus | 2023/08/19 13:00 | Eric Li v Nicolas Kotzen | 6-2,2-6,7-6 |
| UTR Pro Columbus | 2023/08/18 15:30 | Nicolas Kotzen v Zachary Fuchs | 3-6,7-6,6-4 |
| UTR Pro Columbus | 2023/08/17 19:02 | Nicolas Kotzen v Alex Bancila | 7-5,6-7,6-4 |
| UTR Pro Columbus | 2023/08/16 17:00 | Reece Yakubov v Nicolas Kotzen | 6-7,1-6 |
| Challenger Noumea | 2024/01/03 09:40 | Colin Sinclair v Benoit Paire | 6-4,2-6,2-6 |
| Challenger Noumea | 2024/01/02 02:40 | Rubin Statham v Colin Sinclair | 7-6,4-6,4-6 |
| Challenger Yokkaichi | 2023/11/26 04:35 | Colin Sinclair v Ray Ho | 3-6,5-7 |
| Challenger Yokohama | 2023/11/21 03:45 | Colin Sinclair v Mathys Erhard | 3-6,2-6 |
| Challenger Yokohama | 2023/11/20 03:30 | Giovanni Fonio v Colin Sinclair | 3-6,7-5,6-7 |
| Challenger Yokohama | 2023/11/19 07:55 | Nathan Ponwith v Colin Sinclair | 3-6,6-7 |
| Challenger Kobe | 2023/11/12 01:00 | James Trotter v Colin Sinclair | 6-4,7-5 |
| Challenger Sydney | 2023/10/30 04:05 | Colin Sinclair v Marc Polmans | 4-6,2-6 |