Ground: Clay
| ITF M15 Monastir | 2025/03/20 10:00 | William Grant v Pieter De Lange | 6-1,6-2 |
| ITF M15 Monastir | 2025/03/19 11:13 | Pieter De Lange v Alexandre Aubriot | 5-7,7-5,6-1 |
| ITF M15 Monastir | 2025/03/17 13:30 | Pieter De Lange v Nikola Slavic | 6-2,6-1 |
| ITF M15 Monastir | 2025/03/05 10:47 | Niklas Waldner v Pieter De Lange | 6-4,6-4 |
| ITF M15 Zahra | 2025/02/06 09:43 | Pieter De Lange v Cem Ilkel | 7-6,2-6,2-6 |
| ITF M15 Zahra | 2025/02/05 12:47 | Ali Alshati v Pieter De Lange | 1-6,1-6 |
| ITF M25 The Hague | 2024/07/10 11:45 | Emilien Demanet v Pieter De Lange | 6-1,6-4 |
| UTR Pro Bloomington | 2025/01/20 15:00 | Karan Raghavendra v Jip Van Assendelft | 6-1,6-3 |
| ITF M25 The Hague | 2024/07/07 08:00 | Timo De Visser v Jip Van Assendelft | 6-0,6-2 |
| ITF M15 Amstelveen | 2024/07/03 14:25 | Jip Van Assendelft v Younes Lalami Laaroussi | 6-4,4-6,3-6 |
| ITF M15 Amstelveen | 2024/07/01 10:35 | Younes Lalami Laaroussi v Jip Van Assendelft | 7-6,5-7,9-11 |
| ITF M15 Amstelveen | 2024/06/30 09:00 | Freek Van Donselaar v Jip Van Assendelft | 2-6,6-4,6-10 |
| ITF M25 Brussels | 2024/06/24 15:15 | Jip Van Assendelft v Liam Branger | 1-6,4-6 |
| ITF M25 Brussels | 2024/06/24 08:55 | Jip Van Assendelft v Leonardo Mileikowsky | 6-3,4-6,10-7 |
| ITF M15 San Diego | 2024/05/27 16:00 | Spencer Johnson v Jip Van Assendelft | 7-6,6-3 |