Stadium: Court 2 Round: 25 Ground: Clay
| ITF M25 The Hague | 2021/06/28 08:00 | Vladimir Ivanov v Raphael Collignon | 6-2,6-2 |
| ITF M25 The Hague | 2021/06/27 08:00 | Aloys J W Van Baal v Raphael Collignon | 4-6,3-6 |
| ITF M15 Antalya | 2021/05/09 07:00 | Vladislav Melnic v Raphael Collignon | 5-7,6-3,10-5 |
| ITF M15 Monastir | 2021/03/24 10:35 | Gilbert S K Junior v Raphael Collignon | 3-6,6-4,6-4 |
| ITF M15 Monastir | 2021/03/21 13:00 | Gauthier Onclin v Raphael Collignon | 6-1,6-1 |
| ITF M15 Monastir | 2021/03/20 14:15 | Igor Marcondes v Raphael Collignon | 6-1,6-7,4-6 |
| ITF M15 Monastir | 2021/03/19 08:00 | Raphael Collignon v Luca Giacomini | 6-2,6-4 |
| ITF M15 Monastir | 2021/03/18 10:00 | Christoph Negritu v Raphael Collignon | 6-7,4-6 |
| ITF M25 Alkmaar | 2021/06/26 13:35 | Nicolas Alvarez Varona v Christopher Heyman | 6-4,3-6,7-6 |
| ITF M25 Alkmaar | 2021/06/25 11:45 | Christopher Heyman v Gijs Brouwer | 6-4,6-4 |
| ITF M25 Alkmaar | 2021/06/24 09:00 | Kaichi Uchida v Christopher Heyman | 2-6,6-3,6-7 |
| ITF M25 Alkmaar | 2021/06/22 09:00 | Christopher Heyman v Alexander Shevchenko | 7-6,6-2 |
| ITF M15 Antalya | 2021/06/17 07:30 | Francisco Comesana v Christopher Heyman | 6-4,6-3 |
| ITF M15 Antalya | 2021/06/16 16:25 | Michal Dembek v Christopher Heyman | 0-6,2-6 |
| ITF M15 Antalya | 2021/04/30 09:30 | Christopher Heyman v Francesco Forti | 7-5,4-6,6-2 |
| ITF M15 Antalya | 2021/04/29 11:45 | Christopher Heyman v Mats Rosenkranz | 4-6,6-4,7-5 |