Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2019/12/02 08:00 | Julien De Cuyper v Guillaume Dermiens | 6-3,6-2 |
| ITF M15 Monastir | 2019/12/01 10:00 | Guillaume Dermiens v Noah Thurner | 6-3,6-0 |
| ITF M15 Monastir | 2019/11/25 13:00 | Guillaume Dermiens v Mattia Frinzi | 6-7,1-6 |
| ITF M15 Monastir | 2019/11/25 08:00 | Tadija Radovanovic v Guillaume Dermiens | 4-6,2-6 |
| ITF M15 Monastir | 2019/11/24 08:30 | Nicolo Inserra v Guillaume Dermiens | 2-6,3-6 |
| ITF M15 Monastir | 2019/11/20 13:20 | Clement Geens v Guillaume Dermiens | 6-0,6-0 |
| ITF M15 Monastir | 2019/11/18 13:30 | Miles Jones v Guillaume Dermiens | 3-6,5-7 |
| ITF M15 Monastir | 2019/11/18 08:00 | Skander Ben Fraj v Guillaume Dermiens | 2-6,2-6 |
| ITF M25 Nussloch | 2019/01/21 15:25 | Lenny Hampel v Nino Ehrenschneider | 7-6,6-2 |