Ground: Hardcourt outdoor
| ITF M15 San Diego | 2025/06/07 17:37 | Alexander Kotzen v Leo Vithoontien | 3-6,6-4,6-7 |
| ITF M15 San Diego | 2025/06/06 17:00 | Alexander Kotzen v Max Sheldon | 6-1,3-6,6-3 |
| ITF M15 San Diego | 2025/06/05 17:00 | Alexander Kotzen v Alan Magadan | 6-4,6-1 |
| ITF M15 San Diego | 2025/06/04 19:06 | Oliver Clark Anderson v Alexander Kotzen | 3-6,7-6,6-7 |
| Challenger Little Rock | 2025/05/28 17:05 | Naoki Nakagawa v Alexander Kotzen | 6-4,6-4 |
| Challenger Knoxville | 2024/11/05 22:50 | Patrick Kypson v Alexander Kotzen | 3-6,6-3,7-6 |
| Challenger Knoxville | 2024/11/04 19:00 | Naoki Nakagawa v Alexander Kotzen | 3-6,6-7 |
| Challenger Knoxville | 2024/11/03 21:15 | Alexander Kotzen v Aidan Mchugh | 7-6,7-6 |
| ITF M25 Roehampton | 2025/08/05 09:00 | Luke Simkiss v Tristan Stringer | 6-3,3-6,4-6 |
| ITF M25 Roehampton | 2025/08/04 11:50 | Tristan Stringer v Conor Brady | 6-3,3-6,1-0 |
| ITF M25 Roehampton | 2025/08/03 12:00 | Tristan Stringer v Charlie Swaine | 5-7,6-4,1-0 |
| ITF M15 Slobozia | 2025/07/16 06:30 | Vlad Cristian Breazu v Tristan Stringer | 7-6,6-1 |
| ITF M15 Mungia-Laukariz | 2025/06/20 10:00 | Miguel Damas v Tristan Stringer | 6-3,1-0 |
| ITF M15 Mungia-Laukariz | 2025/06/18 08:00 | Luis Garcia Paez v Tristan Stringer | 1-6,6-7 |
| ITF M15 Tsaghkadzor | 2025/06/03 06:00 | Tristan Stringer v Ruslan Tiukaev | 2-6,0-5 |
| ITF M15 Tsaghkadzor | 2025/05/29 06:00 | Alexandr Binda v Tristan Stringer | 6-3,6-3 |