Stadium: AFT Court Round: 62 Ground: Clay
| ITF M15 Huy | 2021/08/23 15:05 | Thorsten Sollie v Leon Hoeveler | 6-4,7-5 |
| ITF M15 Huy | 2021/08/22 12:50 | Leon Hoeveler v Roland Stuurman | 6-3,6-3 |
| ITF M15 Lodz | 2021/08/15 08:00 | Piotr Galus v Leon Hoeveler | 6-3,6-2 |
| ITF M25 Telfs | 2021/07/12 13:00 | Tadeas Paroulek v Leon Hoeveler | 6-1,6-1 |
| ITF M25 Telfs | 2021/07/11 09:00 | Leon Hoeveler v Jeremy Schifris | 1-6,6-0,10-6 |
| ITF M25 Wroclaw | 2021/06/27 12:30 | Leon Hoeveler v Petr Michnev | 2-6,1-6 |
| ITF M25 Most | 2021/05/23 14:00 | Leon Hoeveler v Zdenek Derkas | 4-6,1-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Andrew Paulson v Leon Hoeveler | 6-1,6-2 |
| ITF M25 Koksijde | 2021/08/16 11:50 | Guillaume Dermiens v Alen Moritz Hodzic | 6-4,6-3 |
| ITF M25 Koksijde | 2021/08/15 12:30 | Max Van Wijk v Alen Moritz Hodzic | 1-6,3-6 |
| ITF M25 Kiseljak | 2021/05/23 13:15 | Valentin Lapalu v Alen Moritz Hodzic | 6-4,6-2 |
| ITF M15 Sibenik | 2021/05/16 15:00 | Alen Moritz Hodzic v Peter Goldsteiner | 6-3,5-7,5-10 |