Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Eupen | 2019/08/05 09:00 | Liam Dielen v Adan Freire Da Silva | 0-6,2-6 |
| ITF M15 Brussels | 2019/07/30 10:00 | Liam Dielen v Lucas Hellfritsch | 5-7,1-6 |
| ITF M15 Brussels | 2019/07/29 12:40 | Louis Lechevretel v Liam Dielen | 6-2,2-6,7-10 |
| ITF M25 Lasne | 2019/07/01 12:00 | Charles Broom v Liam Dielen | 6-2,6-3 |
| ITF M25 Arlon | 2019/06/24 14:55 | Liam Dielen v Boris Fassbender | 2-6,2-6 |
| ITF Belgium F10 Qual | 2018/08/26 12:00 | Ignacio Monzon v Liam Dielen | 6-0,6-2 |
| ITF Belgium F10 Qual | 2018/08/25 08:00 | Jonathan Van Nieuwenhove v Liam Dielen | 6-2,5-7,3-6 |
| ITF Belgium F8 | 2018/08/13 15:30 | Tom Pisane v Liam Dielen | 6-4,7-5 |