Round: 25 Ground: Carpet indoor
| Challenger Koblenz Qual | 2018/01/15 10:20 | Ymer, Mikael v Geens, Clement | 7-5,6-1 |
| Challenger Koblenz Qual | 2018/01/14 15:15 | Geens, Clement v Tristan Lamasine | 2-6,6-2,6-4 |
| Challenger Pune Qual | 2017/11/12 05:30 | Geens, Clement v Gojo, Borna | 5-7,3-6 |
| Mouilleron-Le-Captif, France, Qualifying | 2017/11/04 09:00 | Geens, Clement v Corentin Denolly | 3-6,3-6 |
| ITF Israel F13 | 2017/10/17 12:25 | Ovil, Orel v Geens, Clement | 6-2,5-7,1-6 |
| Challenger Almaty Qual | 2017/10/01 07:50 | Evgeny Karlovskiy v Geens, Clement | 6-4,6-3 |
| Challenger Almaty Qual | 2017/10/01 04:00 | Omarkhanov, Malik v Geens, Clement | 2-6,0-6 |
| Challenger Almaty Qual | 2017/09/30 07:20 | Tsoy, Pavel v Geens, Clement | 1-6,1-6 |
| ITF France F2 | 2018/01/15 17:40 | Constantin Bittoun Kouzmine v Juan Pablo Ficovich | 5-7,6-2,4-6 |
| ITF Israel F17 | 2017/12/07 12:45 | Yshai Oliel v Constantin Bittoun Kouzmine | 6-2,6-3 |
| ITF Israel F17 | 2017/12/04 10:00 | Constantin Bittoun Kouzmine v Guberman, Yaron | 6-1,6-1 |
| ITF Israel F17 | 2017/12/04 07:30 | Constantin Bittoun Kouzmine v Alexey Aleshchev | 6-3,6-3 |
| ITF Israel F16 | 2017/11/30 08:00 | Constantin Bittoun Kouzmine v Mertens, Yannick | 1-6,3-6 |
| ITF Israel F16 | 2017/11/29 08:00 | Hiramatsu, Shinnosuke v Constantin Bittoun Kouzmine | 7-5,6-7,1-6 |
| ITF Israel F16 | 2017/11/27 10:30 | Constantin Bittoun Kouzmine v Harwood, Edward | 6-3,6-1 |
| ITF Israel F16 | 2017/11/27 08:00 | Constantin Bittoun Kouzmine v Amoyal, Ofek | 6-1,6-1 |