Stadium: Center Court Round: 46 Ground: Clay
| Challenger Heilbronn Qual | 2018/05/12 09:00 | Jurij Rodionov v Clement Geens | 3-6,7-6,1-6 |
| Challenger Aix en Provence Qual | 2018/05/05 08:30 | Clement Geens v Guillermo Duran | 3-6,2-6 |
| ITF Turkey F14 | 2018/04/11 10:00 | Clement Geens v Milan Drinic | 0-6,2-6 |
| ITF Turkey F13 | 2018/04/03 09:45 | Gilbert S K Junior v Clement Geens | 6-2,6-2 |
| ITF Tunisia F12 | 2018/03/30 08:30 | Mariano Kestelboim v Clement Geens | 6-1,6-3 |
| 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 |
| Challenger Puerto Vallarta Qual | 2018/04/29 16:00 | Tobias Simon v Ivan Endara | 6-1,6-4 |
| Challenger Puerto Vallarta Qual | 2018/04/28 16:00 | Tobias Simon v Juan Ignacio Batalla | 6-4,6-4 |
| Challenger - Leon | 2018/04/24 19:20 | Tobias Simon v Christopher Eubanks | 6-7,6-7 |
| Challenger Leon Qual | 2018/04/23 16:00 | Rubin Statham v Tobias Simon | 7-6,6-3 |
| Challenger Leon Qual | 2018/04/22 16:00 | Felipe Mantilla v Tobias Simon | 5-7,3-6 |
| Challenger Leon Qual | 2018/04/21 17:00 | Federico Zeballos v Tobias Simon | 4-6,6-4,3-6 |
| Challenger Guadalajara Qual | 2018/04/14 20:30 | Felipe Mantilla v Tobias Simon | 7-5,7-6 |
| ITF Tunisia F13 | 2018/04/04 10:30 | Clement Tabur v Tobias Simon | View |