Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Monastir | 2019/01/16 09:00 | Constantin Schmitz v Maksim Tikhomirov | 6-3,6-2 |
| ITF M15 Monastir | 2019/01/14 12:00 | Constantin Schmitz v Mattia Bellucci | 6-2,6-0 |
| ITF M15 Monastir | 2019/01/14 08:00 | Constantin Schmitz v Mathieu Garcia | 6-1,6-2 |
| ITF Qatar F6 | 2018/12/20 12:00 | Constantin Schmitz v Lorenzo Frigerio | 3-6,1-6 |
| ITF Qatar F6 | 2018/12/18 08:55 | Goncalo Oliveira v Constantin Schmitz | 4-6,3-6 |
| ITF Qatar F6 | 2018/12/17 10:00 | Constantin Schmitz v Bart Van Den Berg | 6-3,6-3 |
| ITF Qatar F5 | 2018/12/10 13:40 | Peter Kobelt v Constantin Schmitz | 6-2,6-7,6-1 |
| ITF Qatar F5 | 2018/12/09 12:00 | Ivailo Keremedchiev v Constantin Schmitz | 6-7,4-6 |
| ITF M15 Monastir | 2019/01/22 12:25 | Boris Fassbender v Jonathan Gray | 5-7,4-6 |
| ITF M15 Monastir | 2019/01/16 09:45 | Boris Fassbender v Altug Celikbilek | 4-6,3-6 |
| ITF M15 Monastir | 2019/01/14 12:30 | Aaron Schmid v Boris Fassbender | 4-6,4-6 |
| ITF M15 Monastir | 2019/01/14 08:00 | Taha Kapadia v Boris Fassbender | 1-6,0-6 |
| ITF Tunisia F41 | 2018/11/19 10:30 | Ronan Joncour v Boris Fassbender | 6-3,4-6,6-2 |
| ITF Tunisia F41 | 2018/11/18 09:00 | Guillaume Mackenzie v Boris Fassbender | 4-6,5-7 |
| ITF Tunisia F41 | 2018/11/17 09:00 | Raffaele Giuliano v Boris Fassbender | 6-7,5-7 |
| ITF Tunisia F40 | 2018/11/14 09:00 | Boris Fassbender v Sergio Martos Gornes | 4-6,7-6,2-6 |