Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Alkmaar | 2020/08/23 14:30 | Guy Den Heijer v Leon Hoeveler | 6-2,6-3 |
| ITF M15 Getafe Madrid | 2019/10/14 09:00 | John Echeverria v Leon Hoeveler | 6-3,6-0 |
| ITF M15 Getafe Madrid | 2019/10/13 09:30 | Leon Hoeveler v Caspar Schuetze | 6-3,2-6,10-5 |
| ITF M15 Bad Salzdetfurth | 2019/10/07 10:30 | Leon Hoeveler v Justin Eleveld | 4-6,1-6 |
| ITF M25 Nevers | 2019/09/30 07:30 | Julien De Cuyper v Leon Hoeveler | 6-1,6-4 |
| ITF M25 Ricany | 2019/09/23 10:30 | Leon Hoeveler v Buvaysar Gadamauri | 4-6,4-6 |
| ITF M25 Ricany | 2019/09/22 10:30 | Mirgiiaz Mirdzhaliev v Leon Hoeveler | 3-6,6-7 |
| ITF M25 Plaisir | 2019/09/15 10:25 | Alexandre Aubriot v Leon Hoeveler | 6-2,7-5 |
| ITF M15 Monastir | 2021/03/10 08:30 | Franco Agamenone v Alexander Kotzen | 6-1,6-3 |
| ITF M15 Monastir | 2021/03/08 16:15 | Noah Lopez v Alexander Kotzen | 2-6,5-7 |
| ITF M15 Monastir | 2021/03/08 12:30 | Moritz Trocker v Alexander Kotzen | 2-6,6-3,3-10 |
| ITF M15 Monastir | 2021/03/07 10:30 | Gianluca Coloma-Heck v Alexander Kotzen | 0-6,1-6 |
| ITF M15 Monastir | 2021/03/04 08:30 | Alexander Kotzen v Enrico Dalla Valle | 4-6,4-6 |
| ITF M15 Monastir | 2021/03/03 08:30 | Alexander Kotzen v Leonardo Civita-Telles | 6-0,6-2 |
| ITF M15 Monastir | 2021/03/01 12:30 | Viktor Jovic v Alexander Kotzen | 2-6,1-6 |
| ITF M15 Monastir | 2021/03/01 08:00 | Guillaume Dermiens v Alexander Kotzen | 1-6,5-7 |