Stadium: Centre Court Round: 44 Ground: Clay
| ITF Belgium F1 Qual | 2018/06/17 08:00 | de La Bassetiere, Constant v Pisane, Tom | 6-3,6-2 |
| ITF France F17 | 2017/07/25 14:00 | de La Bassetiere, Constant v Virgili, Adelchi | 6-7,3-6 |
| ITF Belgium F5 | 2017/07/19 12:00 | Merckx, Jonas v de La Bassetiere, Constant | 6-1,6-3 |
| ITF Belgium F5 | 2017/07/16 08:00 | de La Bassetiere, Constant v Mancineiras Cornella, Oscar | 6-2,6-2 |
| ITF Belgium F4 | 2017/07/11 09:00 | Cloes, Loic v de La Bassetiere, Constant | 6-2,7-6 |
| ITF Belgium F4 Qual | 2017/07/09 12:15 | de La Bassetiere, Constant v Buvaysar Gadamauri | 6-3,6-0 |
| ITF Belgium F4 Qual | 2017/07/09 07:30 | de La Bassetiere, Constant v Esses, Dane | 7-5,6-1 |
| ITF Belgium F4 Qual | 2017/07/08 12:15 | de La Bassetiere, Constant v Dermiens, Guillaume | 6-3,6-1 |
| ITF Belgium F1 Qual | 2018/06/17 08:00 | Christ, Constantin v Damiens, Antoine | 4-6,6-4,6-1 |
| ITF Hungary F4 Qual | 2018/06/10 11:00 | Christ, Constantin v Gorazd Srbljak | 1-6,3-6 |
| ITF Czech Republic F2 Qual | 2018/05/20 08:00 | Yvo Panak v Christ, Constantin | 6-3,6-3 |
| ITF Czech Republic F1 | 2018/05/13 09:00 | Sprlak Puk, Albert v Christ, Constantin | 6-2,6-2 |
| ITF Hungary F1 | 2018/05/08 10:45 | Raspudic, Franjo v Christ, Constantin | 6-2,6-1 |
| ITF Hungary F1 Qual | 2018/05/07 08:00 | Marcell Bartakovics v Christ, Constantin | 2-6,6-4,1-6 |
| ITF Hungary F1 Qual | 2018/05/06 08:00 | Davud Amirov v Christ, Constantin | 5-7,0-6 |
| ITF Poland F1 | 2018/04/28 07:00 | Christ, Constantin v Dettinger, Moritz | 0-6,2-6 |