Stadium: Court 20 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Hamburg | 2021/10/17 10:35 | Benjamin Dhoe v Leon Hoeveler | 4-6,6-1,10-6 |
| ITF M15 Forbach | 2021/09/27 08:00 | Cyril Vandermeersch v Leon Hoeveler | 6-3,6-1 |
| ITF M15 Forbach | 2021/09/26 09:55 | Raphael Vaksmann v Leon Hoeveler | 3-6,1-6 |
| ITF M25 Eupen | 2021/09/06 09:55 | Thomas Deschamps v Leon Hoeveler | 6-1,6-3 |
| ITF M25 Eupen | 2021/09/05 12:00 | Leon Hoeveler v Alen Moritz Hodzic | 6-3,0-6,11-9 |
| 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 M15 Heraklion | 2021/11/01 09:00 | Max Van Wijk v Axel Bergdahl | 5-7,2-6 |
| ITF M25 Falun | 2021/09/26 13:00 | Vladimir Ivanov v Axel Bergdahl | 6-4,2-6,10-6 |
| ITF M25 Jonkoping | 2021/09/20 08:50 | Axel Bergdahl v Tibo Colson | 2-6,0-6 |
| ITF M25 Jonkoping | 2021/09/19 11:00 | Tom Hands v Axel Bergdahl | 5-7,6-4,6-10 |