| ITF M15 Monastir | 2025/04/28 13:48 | Dimitris Sakellaridis v Niklas Waldner | 6-1,6-4 |
| ITF M15 Sharm El Sheikh | 2025/04/09 08:00 | Niklas Waldner v Mohamed Safwat | 3-6,2-6 |
| ITF M15 Sharm El Sheikh | 2025/04/08 09:30 | Niklas Waldner v Keoni Puig Mccallan | 7-6,6-1 |
| ITF M15 Sharm El Sheikh | 2025/04/02 08:00 | Niklas Waldner v Hamish Stewart | 3-6,1-5 |
| ITF M15 Sharm El Sheikh | 2025/04/01 09:30 | Niklas Waldner v Eric Jr. Olivarez | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2025/03/27 09:30 | Niklas Waldner v Fares Zakaria | 1-6,0-6 |
| ITF M15 Sharm El Sheikh | 2025/03/25 09:30 | Niklas Waldner v Umberto Maria Giovannini | 6-4,6-4 |
| ITF M15 Monastir | 2025/03/07 08:30 | Aziz Ouakaa v Niklas Waldner | 6-3,7-6 |
| ITF M15 Vero Beach | 2025/04/24 17:31 | Preston Brown v Karl Poling | 6-3,6-4 |
| ITF M15 Vero Beach | 2025/04/23 17:00 | Nathan Ponwith v Karl Poling | 4-6,3-6 |
| Challenger Tallahassee | 2025/04/15 20:50 | Mathys Erhard v Karl Poling | 6-2,5-7,6-4 |
| Challenger Tallahassee | 2025/04/14 14:00 | Karl Poling v Marc Polmans | 6-4,3-6,6-2 |
| Challenger Tallahassee | 2025/04/13 14:00 | Gabi Adrian Boitan v Karl Poling | 6-3,5-7,1-6 |
| Challenger Sarasota | 2025/04/06 16:20 | Karl Poling v Petr Nesterov | 4-6,5-7 |
| Challenger Morelia | 2025/03/23 17:55 | Karl Poling v Elmar Ejupovic | 1-6,4-6 |
| Challenger Merida | 2025/03/18 18:35 | Juan Pablo Ficovich v Karl Poling | 6-4,7-5 |