Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/02/14 10:00 | Louis Herman v Raffael Schaer | 4-6,5-7 |
| ITF M15 Monastir | 2021/02/08 09:30 | Ryota Tanuma v Louis Herman | 6-3,6-4 |
| ITF M15 Monastir | 2021/02/07 12:30 | Leyton Rivera v Louis Herman | 3-6,5-7 |
| ITF M15 Monastir | 2021/02/07 08:00 | Antonio Caruso v Louis Herman | 3-6,4-6 |
| ITF M15 Monastir | 2021/02/03 13:50 | Louis Herman v Marvin Moeller | 3-6,6-4,4-6 |
| ITF M15 Monastir | 2020/02/02 10:00 | Alberto Barroso Campos v Louis Herman | 6-4,6-3 |
| ITF M15 Monastir | 2020/01/30 11:50 | Louis Herman v Moez Echargui | 2-6,6-3,2-6 |
| ITF M15 Monastir | 2020/01/29 10:35 | Takanyi Garanganga v Louis Herman | 3-6,1-6 |
| ITF M15 Lubbock | 2021/09/26 15:00 | Constantin Frantzen v Sven Lah | 3-6,6-1,4-10 |
| ITF M25 Fort Worth | 2019/10/21 15:00 | Constantin Frantzen v Spencer Papa | 5-7,3-6 |
| ITF M25 Fort Worth | 2019/10/20 15:00 | Constantin Frantzen v Ricardo Alban | 6-3,6-0 |
| ITF M25 Waco | 2019/10/13 15:00 | Constantin Frantzen v Alexander Lebedev | 6-7,2-6 |
| ITF USA F34 | 2018/11/26 21:15 | Michael Geerts v Constantin Frantzen | 6-7,6-2,6-4 |
| ITF USA F34 | 2018/11/25 16:00 | Maximilian Sinn v Constantin Frantzen | 4-6,3-6 |
| ITF USA F34 | 2018/11/24 16:00 | Trey Hilderbrand v Constantin Frantzen | 1-6,7-5,5-7 |
| ITF USA F39 | 2017/11/29 16:00 | Constantin Frantzen v Karue Sell | 4-6,1-6 |