Stadium: Swiss Post Court Round: 54 Ground: Clay
| ITF Czech Republic F11 Qual | 2018/11/19 09:00 | Marek Semjan v Goran Duquesne | 6-2,6-1 |
| ITF Portugal F21 | 2018/10/15 10:00 | Jakob Johansson-Holm v Goran Duquesne | 6-2,6-4 |
| ITF Portugal F20 | 2018/10/06 11:00 | Gabriele Moghini v Goran Duquesne | 6-2,6-1 |
| ITF Belgium F10 Qual | 2018/08/26 10:00 | Harry Lim v Goran Duquesne | 6-1,6-1 |
| ITF Belgium F10 Qual | 2018/08/25 08:00 | Nicolas Beaufort v Goran Duquesne | 0-6,1-6 |
| ITF Belgium F9 | 2018/08/19 09:50 | Simone Cacciapuoti v Goran Duquesne | 6-2,6-4 |
| ITF Belgium F8 | 2018/08/13 11:30 | Antoine Damiens v Goran Duquesne | 6-1,6-2 |
| ITF Belgium F8 | 2018/08/12 12:00 | Liam Dielen v Goran Duquesne | 5-7,4-6 |
| ITF M15 Antalya | 2019/04/15 07:00 | Bingyu Yu v Luca Gelhardt | 2-6,0-6 |
| ITF M15 Antalya | 2019/04/10 10:10 | Louis Wessels v Luca Gelhardt | 6-1,6-1 |
| ITF M15 Antalya | 2019/04/09 09:30 | Bernardo Saraiva v Luca Gelhardt | 7-5,4-6,8-10 |
| ITF M15 Antalya | 2019/04/08 07:15 | Luca Gelhardt v Mert Naci Turker | 3-6,6-3,10-5 |
| ITF M15 Antalya | 2019/04/01 07:00 | Alexander Ovcharov v Luca Gelhardt | 3-6,6-1,10-6 |
| ITF M15 Antalya | 2019/03/19 09:00 | Sandro Kopp v Luca Gelhardt | 7-6,4-6,10-8 |
| ITF M15 Antalya | 2019/03/18 07:15 | Besir Durguti v Luca Gelhardt | 3-6,0-6 |
| ITF M15 Antalya | 2019/03/13 07:00 | Felipe Meligeni Rodrigues Alves v Luca Gelhardt | 6-2,6-3 |