Stadium: TC RW Overath - Court 2 Ground: Hardcourt outdoor
| ITF M15 Lambermont | 2024/08/19 11:20 | Tom Schonenberg v Karl W W Mac-Leay | 7-5,6-3 |
| ITF M15 Monastir | 2023/05/21 08:30 | Nicolas Jadoun v Karl W W Mac-Leay | 6-2,6-0 |
| ITF M15 Monastir | 2023/05/14 08:30 | Marco Franzini v Karl W W Mac-Leay | 6-3,6-1 |
| ITF M25 Koksijde | 2022/08/14 08:00 | Lars Goran Verwerft v Karl W W Mac-Leay | 6-4,6-3 |
| ITF M15 Duffel | 2022/06/13 08:00 | Karl W W Mac-Leay v Tim Sandkaulen | 1-6,0-6 |
| ITF M15 Duffel | 2022/06/12 08:00 | Karl W W Mac-Leay v Julian Peter | 6-0,6-0 |
| ITF Chile F3 | 2018/11/25 14:00 | Karl W W Mac-Leay v Nicolas Bianchi | 1-6,3-6 |
| ITF Chile F3 | 2018/11/24 15:00 | Karl W W Mac-Leay v Federico Juan Aguilar | 6-3,7-5 |
| ITF M25 Klosters | 2025/06/15 10:48 | Noah Karma v Henri Haupt | 6-2,4-6,1-0 |
| ITF M15 Heraklion | 2025/03/25 10:00 | Henri Haupt v Cem Ilkel | 1-5 |
| Challenger Hersonissos Qual | 2025/03/09 14:00 | Henri Haupt v Alexandr Binda | 4-6,5-7 |
| Challenger Hersonissos | 2025/03/03 09:10 | Marcello Serafini v Henri Haupt | 6-3,7-6 |
| Challenger Hersonissos | 2025/03/02 13:00 | Henri Haupt v Adam Heinonen | 7-5,6-1 |
| ITF M15 Monastir | 2025/02/12 12:43 | Kenny de Schepper v Henri Haupt | 6-1,6-0 |
| ITF M15 Monastir | 2025/01/16 15:14 | Gianmarco Ferrari v Henri Haupt | 6-2,5-2 |
| ITF M15 Doha Qual | 2024/12/15 16:40 | Henri Haupt v Tom Hands | 0-6,4-6 |