Stadium: Court 3 Round: 25 Ground: Clay
| 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 Greece F2 | 2018/03/04 08:00 | Luca Gelhardt v Michalis Sakellaridis | 6-1,7-5 |
| ITF Greece F2 | 2018/03/03 07:30 | Luca Gelhardt v Aria Harajchi | 6-3,6-3 |
| ITF Greece F1 | 2018/02/27 08:00 | Ioannis Stergiou v Luca Gelhardt | 6-3,6-4 |
| ITF Tunisia F4 | 2018/01/30 13:10 | Luca Gelhardt v Tadeas Paroulek | 2-6,2-6 |
| ITF Tunisia F1 | 2018/01/09 08:30 | Peter Nagy v Luca Gelhardt | 6-4,6-0 |
| ITF Chile F3 | 2017/12/04 17:00 | Luca Gelhardt v Victor Nunez | 4-6,4-6 |
| ITF Tunisia F12 | 2018/03/29 08:30 | Jordi Munoz-Abreu v Clement Geens | 7-6,0-6,4-6 |
| ITF Tunisia F12 | 2018/03/28 12:40 | Ludovico Scerrati v Clement Geens | 4-6,3-6 |
| ITF Tunisia F12 | 2018/03/26 12:30 | Clement Geens v Andrea Borroni | 6-2,6-3 |
| ITF Tunisia F12 | 2018/03/25 09:30 | Clement Geens v Esteban Bruna | 6-4,2-6,6-1 |
| Challenger Lille Qual | 2018/03/18 10:00 | Clement Geens v Sadio Doumbia | 6-7,3-6 |
| Challenger Lille Qual | 2018/03/17 09:00 | Clement Geens v Robin Kern | 2-6,6-2,6-3 |
| ITF Egypt F8 | 2018/03/08 09:40 | Aldin Setkic v Clement Geens | 6-4,6-3 |
| ITF Egypt F8 | 2018/03/06 08:00 | Alexander Erler v Clement Geens | 7-6,2-6,2-6 |