Stadium: Court 8 Round: 44 Ground: Clay
| ITF M15 Loule | 2020/03/12 14:05 | Hoyt, Evan v Guy Den Heijer | 6-2,5-7,1-6 |
| ITF M15 Loule | 2020/03/10 13:25 | Alexis Boureau v Guy Den Heijer | 3-6,3-6 |
| ITF M15 Faro | 2020/03/05 12:00 | Cacao, Tiago v Guy Den Heijer | 6-2,6-2 |
| ITF M15 Faro | 2020/03/04 14:20 | Guy Den Heijer v Salgado, Afonso | 6-3,6-3 |
| ITF M15 Vale Do Lobo | 2020/02/27 12:20 | Guy Den Heijer v Kenny de Schepper | 1-6,2-6 |
| ITF M15 Vale Do Lobo | 2020/02/26 10:00 | Bortolotti, Marco v Guy Den Heijer | 6-7,2-6 |
| ITF - M15 Héraklion | 2020/02/21 09:00 | Guy Den Heijer v Antonio Massara | 1-6,4-6 |
| ITF - M15 Héraklion | 2020/02/20 08:25 | Guy Den Heijer v Keisidis, Christos | 6-4,4-6,6-3 |
| ITF M15 Getafe Madrid | 2019/10/14 09:00 | John Echeverria v Hoeveler, Leon | 6-3,6-0 |
| ITF M15 Getafe Madrid | 2019/10/13 09:30 | Hoeveler, Leon v Caspar Schuetze | 6-3,2-6,10-5 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/07 10:30 | Hoeveler, Leon v Eleveld, Justin | 4-6,1-6 |
| ITF M25 Nevers | 2019/09/30 07:30 | de Cuyper, Julien v Hoeveler, Leon | 6-1,6-4 |
| ITF M25 Ricany | 2019/09/23 10:30 | Hoeveler, Leon v Buvaysar Gadamauri | 4-6,4-6 |
| ITF M25 Ricany | 2019/09/22 10:30 | Mirdzhaliev, Mirgiiaz v Hoeveler, Leon | 3-6,6-7 |
| ITF M25 Plaisir | 2019/09/15 10:25 | Alexandre Aubriot v Hoeveler, Leon | 6-2,7-5 |
| Mulhouse, Singles M-ITF-FRA-16A | 2019/09/08 09:30 | Hoeveler, Leon v Joffrey De Schepper | 2-6,1-6 |