Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF Turkey F20 | 2018/05/22 07:30 | Moritz Thiem v Luca Gelhardt | 3-6,0-6 |
| ITF Turkey F19 | 2018/05/16 07:00 | Luca Gelhardt v Juan Pablo Varillas | 6-7,3-6 |
| ITF Poland F2 | 2018/05/09 09:40 | Luca Gelhardt v Marvin Netuschil | 5-7,5-7 |
| ITF Poland F2 | 2018/05/07 11:00 | David Poljak v Luca Gelhardt | 4-6,2-6 |
| ITF Poland F1 | 2018/05/03 09:00 | Luca Gelhardt v Pascal Meis | 3-6,3-6 |
| ITF Poland F1 | 2018/05/01 09:45 | Maciej Smola v Luca Gelhardt | 6-4,4-6,0-6 |
| Challenger Lille Qual | 2018/03/17 17:45 | Gabor Borsos v Luca Gelhardt | 6-4,6-0 |
| ITF Greece F2 | 2018/03/05 07:30 | Luca Gelhardt v Corrado Summaria | 4-6,3-6 |
| ITF Turkey F20 Qual | 2018/05/23 09:40 | Philipp Schroll v Nicolas Alberto Arreche | 6-3,3-6,4-6 |
| ITF Turkey F19 | 2018/05/17 07:00 | Alexis Musialek v Nicolas Alberto Arreche | 6-4,7-6 |
| ITF Turkey F19 | 2018/05/15 07:00 | Nicolas Alberto Arreche v Ivan Davydov | 5-7,6-3,6-2 |
| ITF Brazil F1 | 2018/04/24 13:00 | Nicolas Alberto Arreche v Thiago Seyboth Wild | 3-6,4-6 |
| ITF Tunisia F11 | 2018/03/20 08:30 | Nicolas Alberto Arreche v Duje Kekez | 1-6,4-6 |
| ITF Tunisia F10 | 2018/03/14 10:40 | Nicolas Alberto Arreche v Diego Hidalgo | 2-6,6-2,5-7 |
| ITF Tunisia F9 | 2018/03/07 09:00 | Nicolas Alberto Arreche v Diego Hidalgo | 6-7,0-6 |
| ITF Tunisia F8 | 2018/03/01 08:30 | Alexandre Muller v Nicolas Alberto Arreche | 6-4,6-2 |