Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Huy | 2023/08/23 11:10 | Nicolas Bruna v Harold Huens | 2-6,1-6 |
| ITF M15 Huy | 2023/08/21 15:45 | Giammarco Gandolfi v Harold Huens | 3-6,2-6 |
| ITF M15 Huy | 2023/08/21 09:10 | Ronetto Van Tilburg v Harold Huens | 1-6,4-6 |
| ITF M25 Koksijde | 2023/08/15 13:30 | Cesar Bouchelaghem v Harold Huens | 5-7,6-3,6-1 |
| ITF M25 Arlon | 2023/06/28 12:15 | Valentin Royer v Harold Huens | 6-1,6-1 |
| ITF M25 Arlon | 2023/06/27 09:25 | Louis Herman v Harold Huens | 0-6,2-6 |
| ITF M25 Arlon | 2023/06/26 11:15 | David Tixhon v Harold Huens | 2-6,4-6 |
| ITF M15 Duffel | 2023/06/11 09:30 | Harold Huens v Olivier Rojas | 3-6,4-6 |
| ITF M15 Huy | 2023/08/23 16:15 | Thiemo De Bakker v Luciano Emanuel Ambrogi | 6-2,7-5 |
| ITF M15 Huy | 2023/08/21 11:45 | Thiemo De Bakker v Leon Formella | 6-3,6-0 |
| ITF M25 Koksijde | 2023/08/15 12:35 | Thiemo De Bakker v Mariano Kestelboim | 3-6,3-6 |
| ITF M25 Koksijde | 2023/08/14 09:50 | Thiemo De Bakker v Giacomo Crisostomo | 6-1,6-2 |
| ITF M25 Koksijde | 2023/08/13 08:00 | Thiemo De Bakker v Ilian Borlee | 6-3,6-0 |
| ITF M25 The Hague | 2023/07/06 17:00 | Thiemo De Bakker v Deney Wassermann | 6-7,6-1,4-6 |
| ITF M25 The Hague | 2023/07/05 16:55 | Kyvan Rietkerk v Thiemo De Bakker | 2-6,2-6 |
| ITF M15 Jakarta | 2023/06/29 03:25 | Karan Singh v Thiemo De Bakker | 5-7,6-7 |