Ground: Clay
| ITF M25 Antalya | 2025/01/28 07:00 | Gabriel Matuszewski v Andrea Meduri | 6-2,6-1 |
| ITF M15 Antalya | 2024/12/23 06:30 | Gabriel Matuszewski v Hendrik Thada Grohbruegge | 4-6,4-6 |
| ITF M15 Antalya | 2024/12/22 07:00 | Gabriel Matuszewski v Amir Asylkozhaev | 7-6,6-1 |
| ITF M15 Antalya | 2024/12/16 10:30 | Gabriel Matuszewski v Simeon Stankovic | 2-6,1-6 |
| ITF M15 Antalya | 2024/12/15 07:00 | Pengyu Lu v Gabriel Matuszewski | 5-7,2-6 |
| ITF M15 Antalya | 2024/12/08 08:30 | Dan Martin v Gabriel Matuszewski | 6-2,6-1 |
| ITF M15 Antalya | 2024/12/01 07:00 | Hugo Ouzilou v Gabriel Matuszewski | 6-2,6-1 |
| ITF M15 Heraklion | 2024/11/19 09:30 | Gabriel Matuszewski v Giuseppe Corsaro | 4-6,3-6 |
| 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 |
| Challenger Kobe | 2024/11/10 05:05 | Guy Den Ouden v Taisei Ichikawa | 4-6,6-3,6-0 |
| Challenger Matsuyama | 2024/11/04 04:40 | Guy Den Ouden v Shintaro Mochizuki | 5-7,6-7 |
| Challenger Seoul | 2024/10/29 05:55 | Guy Den Ouden v Hiroki Moriya | 7-5,4-6,4-6 |