Stadium: BNP Paribas Court Round: 62 Ground: Clay
| ITF - M25 Eupen | 2021/09/05 09:00 | Guillaume Dermiens v Gosse Panagoulopoulos | 6-2,6-2 |
| ITF - M15 Huy | 2021/08/24 09:20 | Guillaume Dermiens v Thorsten Sollie | 4-6,3-6 |
| ITF - M15 Huy | 2021/08/23 11:35 | Guillaume Dermiens v Charles Tzicas | 6-3,6-0 |
| ITF - M15 Huy | 2021/08/22 13:10 | Guillaume Dermiens v Cedric Stanke | 6-3,6-1 |
| ITF - M25 Koksijde | 2021/08/17 08:00 | Guillaume Dermiens v Francesco Passaro | 2-6,1-6 |
| ITF - M25 Koksijde | 2021/08/16 11:50 | Guillaume Dermiens v Alen Moritz Hodzic | 6-4,6-3 |
| ITF - M15 Esch/Alzette | 2021/07/21 14:25 | Guillaume Dermiens v Patrick Kypson | 1-6,3-6 |
| ITF - M15 Esch/Alzette | 2021/07/20 12:55 | Guillaume Dermiens v Raphael Calzi | 1-6,6-4,6-4 |
| ITF - M25 Eupen | 2021/09/05 09:00 | Adan Freire Da Silva v Julian Peter | 6-1,6-2 |
| ITF - M15 Huy | 2021/08/23 15:30 | Adan Freire Da Silva v Elgin Khoeblal | 1-6,3-6 |
| ITF - M15 Huy | 2021/08/22 11:00 | Felipe Derdoy v Adan Freire Da Silva | 3-6,2-6 |
| ITF - M15 Castelo Branco | 2021/07/28 10:35 | Adan Freire Da Silva v Sho Shimabukuro | 6-4,5-7,2-6 |
| ITF - M15 Castelo Branco | 2021/07/27 08:30 | Hillel Rousseau v Adan Freire Da Silva | 2-6,6-7 |
| ITF - M15 Castelo Branco | 2021/07/26 11:00 | Adan Freire Da Silva v Dominik Langmajer | 6-3,6-2 |
| ITF - M25 Uriage | 2021/07/12 10:45 | Thomas Deschamps v Adan Freire Da Silva | 5-7,7-6,12-10 |
| ITF - M25 Uriage | 2021/07/11 13:05 | Roman Revkov v Adan Freire Da Silva | 0-6,0-6 |