Ground: Clay
| ITF M25 Antalya | 2025/01/31 10:19 | Alexander Weis v Andrea Picchione | 6-2,6-4 |
| ITF M25 Antalya | 2025/01/30 07:00 | Alexander Weis v Savva Polukhin | 6-4,1-6,6-2 |
| ITF M25 Antalya | 2025/01/29 09:30 | Alexander Weis v Tobia C B Mordini | 6-1,6-0 |
| ITF M15 San Gregorio di Catania | 2024/11/15 09:45 | Giuseppe La Vela v Alexander Weis | 2-6,4-6 |
| ITF M15 San Gregorio di Catania | 2024/11/14 09:00 | Petr Brunclik v Alexander Weis | 1-6,7-5,4-6 |
| ITF M15 San Gregorio di Catania | 2024/11/05 10:20 | Mariano Tammaro v Alexander Weis | 6-4,4-6,6-2 |
| ITF M25 Santa Margherita | 2024/10/22 12:05 | Alexander Weis v Franco Agamenone | 6-7,7-5,3-6 |
| ITF M25 Santa Margherita | 2024/10/10 07:20 | Nikolas Sanchez Izquierdo v Alexander Weis | 7-5,6-1 |
| ITF M25 Antalya | 2025/01/31 09:01 | Dominik Kellovsky v Guy Den Ouden | 3-6,2-6 |
| ITF M25 Antalya | 2025/01/30 09:30 | Gianmarco Ferrari v Guy Den Ouden | 7-6,6-7,3-6 |
| ITF M25 Antalya | 2025/01/29 11:22 | Gabriel Matuszewski v Guy Den Ouden | 1-6,5-6 |
| ITF M25 Esch/Alzette | 2025/01/23 12:00 | Guy Den Ouden v Nicolai Budkov Kjaer | 3-6,5-7 |
| ITF M25 Esch/Alzette | 2025/01/22 11:00 | Guy Den Ouden v Yanis Ghazouani Durand | 7-6,2-5 |
| Challenger Yokohama | 2024/11/19 06:00 | Federico Cina v Guy Den Ouden | 6-4,3-6,6-4 |
| Challenger Kobe | 2024/11/12 02:00 | Yasutaka Uchiyama v Guy Den Ouden | 6-3,7-6 |
| Challenger Kobe | 2024/11/11 02:00 | Guy Den Ouden v Kris Van Wyk | 6-1,6-2 |