| ITF Tunisia F16 | 04/24 09:00 | 44 | Christopher Heyman v Boris Fassbender | Retired | |
| ITF Tunisia F16 | 04/23 11:30 | 44 | Boris Fassbender v Nicolas Xiviller | 6-4,0-6,6-3 | |
| ITF Tunisia F16 | 04/22 09:00 | 44 | Bastien Kolly v Boris Fassbender | 6-7,2-6 | |
| ITF France F7 Qual | 03/19 13:45 | 54 | Mateusz Terczynski v Boris Fassbender | 6-1,2-6,6-1 | |
| ITF France F7 Qual | 03/18 11:50 | 54 | Boris Fassbender v Tom Schonenberg | 6-4,6-4 | |
| ITF France F5 Qual | 03/04 10:35 | 54 | Boris Fassbender v Jules Marie | 3-6,4-6 | |
| ITF Turkey F6 | 02/11 06:00 | 62 | Boris Fassbender v Sarp Agabigun | 3-6,6-3,5-7 | |
| ITF Turkey F5 | 02/05 07:00 | 62 | Alexios Halebian v Boris Fassbender | 6-4,6-2 | |
| ITF Croatia F11 | 10/18 11:00 | 25 | Simone Roncalli v Boris Fassbender | 6-2,7-6 | |
| ITF Italy F32 | 10/17 08:00 | 62 | Ivan Krivic v Boris Fassbender | 5-7,1-6 | |
| ITF Italy F32 | 10/16 13:10 | 62 | Tomislav E Papac v Boris Fassbender | 1-6,6-4,4-6 | |
| ITF Italy F32 | 10/15 08:00 | 62 | Boris Fassbender v Tim Kopinski | 6-4,7-6 | |
| ITF Italy F32 | 10/08 11:30 | 62 | Rrezart Cungu v Boris Fassbender | 2-6,6-4,6-2 | |
| ITF Hungary F7 | 09/26 09:50 | 25 | Boris Fassbender v Pawel Cias | 6-7,3-6 | |
| ITF Hungary F7 | 09/25 09:00 | 54 | Boris Fassbender v Peter Balla | 6-2,6-1 | |
| ITF Hungary F6 | 09/20 08:00 | 25 | Boris Fassbender v Patrik Fabian | 3-6,1-6 | |
| ITF Hungary F6 | 09/18 08:00 | 62 | Gabor Mathe v Boris Fassbender | 3-6,2-6 | |
| ITF Hungary F6 | 09/17 07:00 | 62 | Dragos Iarmil Torge v Boris Fassbender | 3-6,2-6 | |
| ITF Italy F28 | 09/05 08:30 | 44 | Tomas Barrios Vera v Boris Fassbender | 6-1,6-2 | |
| ITF Italy F28 | 09/04 08:00 | 44 | Marco Di Maro v Boris Fassbender | 6-7,2-6 | |
| ITF France F15 | 07/21 13:00 | 26 | Boris Fassbender v Calvin Hemery | 3-6,2-6 | |
| ITF France F15 | 07/19 16:20 | 25 | Boris Fassbender v Lucas Bouquet | 6-3,6-1 | |
| ITF France F15 Qual | 07/17 11:15 | 54 | Boris Fassbender v Pedro Aranda | 7-5,6-3 | |
| ITF France F14 | 07/14 11:30 | 25 | Louis Tessa v Boris Fassbender | 2-6,7-6,6-2 | |
| ITF France F13 | 07/05 12:35 | 25 | Nathan Seateun v Boris Fassbender | 5-7,7-6,7-6 | |
| ITF France F9 Qual | 04/24 10:55 | 54 | Gabriel Petit v Boris Fassbender | 6-4,6-1 | |
| ITF Spain F9 Qual | 04/10 10:00 | 60 | Boris Fassbender v Louis Quennessen | 5-7,6-3,3-6 | |
| ITF Spain F9 Qual | 04/08 09:00 | 60 | Boris Fassbender v Robin Lang | 6-4,6-1 | |
| ITF Spain F8 | 04/05 09:40 | 25 | Boris Fassbender v Jaime Fermosell | 5-7,7-5,6-7 | |
| ITF Spain F8 | 04/04 08:00 | 62 | Ricardo Villacorta-Alonso v Boris Fassbender | 3-6,5-7 |