Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Monastir | 2021/03/08 12:30 | Guillaume Dermiens v Constant De La Bassetiere | 3-6,2-6 |
| ITF M15 Monastir | 2021/03/07 08:00 | Guillaume Dermiens v Matteo Tinelli | 3-6,7-5,10-7 |
| ITF M15 Monastir | 2021/03/01 08:00 | Guillaume Dermiens v Alexander Kotzen | 1-6,5-7 |
| ITF M15 Monastir | 2021/02/28 08:00 | Guillaume Dermiens v Marco Corino | 6-0,6-2 |
| ITF M15 Monastir | 2021/02/22 08:00 | Kazuma Kawachi v Guillaume Dermiens | 7-6,5-7,10-8 |
| ITF M15 Sharm El Sheikh | 2020/11/02 10:30 | Guillaume Dermiens v Taha Baadi | 7-6,2-6,8-10 |
| ITF M15 Sharm El Sheikh | 2020/11/01 12:00 | Leonid Sheyngezikht v Guillaume Dermiens | 3-6,2-6 |
| ITF M15 Sharm El Sheikh | 2020/10/25 09:00 | Guillaume Dermiens v Tristan Boyer | 2-6,2-6 |
| ITF M15 Saarlouis | 2019/07/01 08:00 | Eduardo Dischinger v Raphael Calzi | 7-5,4-6,10-4 |
| ITF M25 Arlon | 2019/06/24 13:20 | Victor Vlad Cornea v Raphael Calzi | 7-5,6-3 |
| ITF Germany F11 | 2018/08/05 12:00 | Raphael Calzi v Robi Tholl | 2-6,4-6 |
| ITF Germany F9 | 2018/07/22 11:00 | Tim Heger v Raphael Calzi | 6-2,6-1 |
| ITF Germany F9 | 2018/07/22 08:00 | Raphael Calzi v Leon Hoeveler | 6-3,6-4 |
| ITF Germany F6 | 2018/07/02 09:00 | Hendrik Jebens v Raphael Calzi | 6-3,6-1 |
| ITF Belgium F1 Qual | 2018/06/18 09:50 | Raphael Calzi v Dominic Barretto | 3-6,3-6 |
| ITF Belgium F1 Qual | 2018/06/17 11:00 | Alexander Lebedyn v Raphael Calzi | 2-6,2-6 |