Stadium: Court 4 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/09/02 08:00 | Skander Mansouri v Li Tu | 3-6,2-6 |
| ITF M15 Monastir | 2021/09/01 09:30 | Skander Mansouri v Mwendwa Mbithi | 6-2,2-6,7-6 |
| Challenger Warsaw | 2021/08/22 11:15 | Skander Mansouri v Jan Zielinski | 7-5,3-6,3-6 |
| Challenger Segovia | 2021/07/25 09:00 | Dalibor Svrcina v Skander Mansouri | 6-0,3-6,6-2 |
| Challenger Pozoblanco | 2021/07/19 17:55 | Skander Mansouri v Altug Celikbilek | 7-6,1-6,6-7 |
| Challenger Todi | 2021/07/12 16:30 | Skander Mansouri v Thiago Agustin Tirante | 3-6,2-6 |
| ITF M25 Belgrade | 2021/07/02 09:00 | Skander Mansouri v Nick Hardt | 3-6,0-6 |
| ITF M25 Belgrade | 2021/07/01 10:45 | Skander Mansouri v Mirko Martinez | 6-2,5-7,6-2 |
| ITF M15 Allershausen | 2021/09/05 11:00 | Guy Den Ouden v Mick Veldheer | 6-0,6-4 |
| ITF M15 Allershausen | 2021/09/04 13:10 | Guy Den Ouden v Mats Rosenkranz | 6-4,4-6,6-4 |
| ITF M15 Allershausen | 2021/09/03 12:35 | Guy Den Ouden v Juan Ignacio Galarza | 7-5,6-3 |
| ITF M15 Allershausen | 2021/09/02 13:40 | Peter Heller v Guy Den Ouden | 6-7,3-6 |
| ITF M15 Allershausen | 2021/09/01 11:30 | Guy Den Ouden v Hazem Naw | 6-4,3-6,6-4 |
| ITF M15 Huy | 2021/08/29 13:00 | Gauthier Onclin v Guy Den Ouden | 6-4,5-7,1-6 |
| ITF M15 Huy | 2021/08/28 11:00 | Raphael Collignon v Guy Den Ouden | 3-6,4-6 |
| ITF M15 Huy | 2021/08/27 11:00 | Benjamin Dhoe v Guy Den Ouden | 2-6,2-6 |