Stadium: Court 2 Round: 45 Ground: Hardcourt outdoor
| ITF Tunisia F40 | 2018/11/11 08:00 | Michael Weindl v Lukas H Lilleengen | 6-2,3-6,7-5 |
| ITF Tunisia F40 | 2018/11/10 10:00 | Lukas H Lilleengen v Vitalii Shcherba | 4-6,7-5,6-0 |
| ITF Tunisia F39 | 2018/11/03 10:30 | Lukas H Lilleengen v Pedro Munafo | 6-1,6-2 |
| ITF Tunisia F38 | 2018/10/30 11:05 | Lukas H Lilleengen v Luca Potenza | 2-6,1-6 |
| ITF Tunisia F38 | 2018/10/29 08:30 | Daniel De Jonge v Lukas H Lilleengen | 6-7,3-6 |
| ITF Tunisia F38 | 2018/10/28 08:30 | Lukas H Lilleengen v Vitalii Shcherba | 6-2,6-1 |
| ITF France F14 | 2018/07/17 12:20 | Nicolas Tepmahc v Lukas H Lilleengen | 7-5,6-2 |
| ITF France F14 Qual | 2018/07/15 11:30 | Lukas H Lilleengen v Guillaume Mackenzie | 7-5,7-6 |
| ITF - M15 - Monastir | 2019/01/10 10:25 | Denis Klok v Luca Gelhardt | 6-3,6-3 |
| ITF - M15 - Monastir | 2019/01/08 10:05 | Luca Gelhardt v Ameur Ben Hassen | 6-1,6-2 |
| ITF Germany F9 | 2018/07/24 10:00 | Luca Gelhardt v Ewan Moore | 6-7,3-6 |
| ITF Netherlands F3 | 2018/07/11 15:05 | Orlando Luz v Luca Gelhardt | 6-2,6-2 |
| ITF Netherlands F3 | 2018/07/10 15:25 | Michiel de Krom v Luca Gelhardt | 7-6,6-7,2-6 |
| ITF Belgium F3 | 2018/07/03 09:40 | Eduardo Dischinger v Luca Gelhardt | 3-6,6-2,6-2 |
| ITF Netherlands F1 | 2018/06/28 15:40 | Luca Gelhardt v Clement Geens | 4-6,3-6 |
| ITF Netherlands F1 | 2018/06/26 11:15 | Daniil Zarichanskiy v Luca Gelhardt | 6-7,3-6 |