Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/11/22 08:00 | Dermiens, Guillaume v Stone, Zakai | 6-2,6-2 |
| ITF - M15 Monastir | 2021/11/21 10:00 | Dermiens, Guillaume v Max Cunat | 6-1,6-4 |
| ITF - M15 Monastir | 2021/11/17 09:55 | Dougaz, Aziz v Dermiens, Guillaume | 6-3,6-4 |
| ITF - M15 Monastir | 2021/11/15 13:00 | Dermiens, Guillaume v Jans, Jarno | 4-6,6-1,10-6 |
| ITF - M15 Monastir | 2021/11/15 08:00 | Dermiens, Guillaume v Martinez Irigoyen, Astur | 6-2,6-4 |
| ITF - M15 Monastir | 2021/11/10 12:00 | Gauthier Onclin v Dermiens, Guillaume | 6-1,6-1 |
| ITF - M15 Monastir | 2021/11/08 08:00 | Dermiens, Guillaume v Alessandro Coccioli | 6-4,6-2 |
| ITF M25 Eupen | 2021/09/07 09:30 | Dermiens, Guillaume v Cloes, Loic | 3-6,0-6 |
| ITF - M15 Monastir | 2021/11/22 08:00 | Martyn Pawelski v Cesar Bourgois | 7-5,6-4 |
| ITF - M15 Monastir | 2021/11/21 10:00 | Martyn Pawelski v Arthur Bonnaud | 7-6,6-3 |
| ITF M25 Poznan | 2021/08/24 08:00 | Martyn Pawelski v Brzezinski, Sebastian | 3-6,4-6 |
| ITF M25 Poznan | 2021/08/22 08:00 | Martyn Pawelski v Sergo Sikharulidze | 7-5,6-4 |
| ITF M15 Lodz | 2021/08/18 13:00 | Martyn Pawelski v Timo Stodder | 6-4,2-6,6-7 |
| ITF M15 Gdynia | 2021/08/11 08:00 | Roman Andres Burruchaga v Martyn Pawelski | 6-3,6-2 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 07:55 | Vojtech Vlkovsky v Martyn Pawelski | 6-1,7-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 08:00 | Martyn Pawelski v Breut, Lilian | 6-4,3-6,10-4 |