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 | 2021/02/11 09:35 | Alexander Kotzen v Gabriel Petit | 6-2,4-6,6-7 |
| ITF M15 Monastir | 2021/02/10 13:15 | Alexander Kotzen v Aziz Ouakaa | 6-1,6-3 |
| ITF M15 Monastir | 2021/02/08 09:00 | Kenneth Raisma v Alexander Kotzen | 2-6,7-5,8-10 |
| ITF M15 Monastir | 2021/01/07 08:00 | Alexander Kotzen v Ronan Joncour | 7-5,5-7,2-6 |
| ITF M15 Monastir | 2021/01/06 10:30 | Alexander Kotzen v Nathan Seateun | 6-2,6-7,6-3 |
| ITF M15 Monastir | 2020/12/31 08:00 | David Pichler v Alexander Kotzen | 7-6,5-7,7-6 |
| ITF M15 Monastir | 2020/12/29 09:30 | Alexander Kotzen v Alexander Zgirovsky | 6-1,1-6,6-1 |
| ITF M15 Monastir | 2020/12/23 08:30 | Kaichi Uchida v Alexander Kotzen | 7-6,6-1 |