Stadium: Court 4 Round: 62
| ITF M15 Platja D'Aro | 2021/10/10 11:00 | Clement Deleersnyder v Zhenxiong Dong | 6-1,6-2 |
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Matvey Minin v Clement Deleersnyder | 7-5,6-2 |
| ITF M15 Platja D'Aro | 2021/10/03 08:00 | Areg Stepanian v Clement Deleersnyder | 0-6,0-6 |
| ITF M15 Marbella | 2021/05/24 11:00 | Alejandro Moro Canas v Clement Deleersnyder | 6-4,6-1 |
| ITF M15 Marbella | 2021/05/23 11:00 | Clement Deleersnyder v Jordi Mas De Ugarte | 6-3,3-6,10-3 |
| ITF M15 Valldoreix | 2021/05/09 13:00 | Jaume Pla Malfeito v Clement Deleersnyder | 6-0,6-1 |
| ITF M15 Monastir | 2021/04/26 12:30 | Clement Deleersnyder v Arthur Bouquier | 1-6,3-6 |
| ITF M15 Monastir | 2021/04/26 08:00 | Giorgio Ricca v Clement Deleersnyder | 4-6,6-7 |
| ITF M15 Platja D'Aro | 2021/10/10 11:00 | Kirill Mishkin v Valentin Lapalu | 6-4,2-6,10-7 |
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Jorge Martinez Martinez v Kirill Mishkin | 6-1,6-2 |
| ITF M15 Platja D'Aro | 2021/10/03 11:00 | Kirill Mishkin v Zakhar Trapeznikov | 2-6,6-3,10-1 |
| ITF M15 Melilla | 2021/09/25 12:10 | Daniel Rincon v Kirill Mishkin | 6-3,6-1 |
| ITF M15 Melilla | 2021/09/24 14:05 | Kirill Mishkin v Alberto Barroso Campos | 0-6,7-5,6-1 |
| ITF M15 Melilla | 2021/09/21 08:00 | Xavier Gabarro v Kirill Mishkin | 3-6,2-6 |
| ITF M15 Melilla | 2021/09/20 11:00 | Kirill Mishkin v Vitali Shvets | 7-5,6-2 |
| ITF M25 Madrid | 2021/09/13 10:00 | Michel Vernier v Kirill Mishkin | 6-3,6-1 |