Stadium: Court 4 Round: 25 Ground: Clay
| ITF Switzerland F3 | 2018/08/23 15:30 | Jacopo Berrettini v Bossel, Adrien | 7-5,5-7,6-3 |
| ITF Switzerland F3 | 2018/08/22 11:30 | Bossel, Adrien v Gomez, Lucas | 7-6,6-7,6-3 |
| Challenger Lisbon Qual | 2018/05/12 13:00 | Bossel, Adrien v Alejandro Davidovich Fokina | 1-6,1-6 |
| Challenger Glasgow Qual | 2018/04/29 15:00 | Heliovaara, Harri v Bossel, Adrien | 2-6,7-6,6-4 |
| Challenger Glasgow Qual | 2018/04/28 13:00 | Thomson, Connor v Bossel, Adrien | 3-6,4-6 |
| ITF Spain F10 | 2018/04/26 09:00 | Bossel, Adrien v Reboul, Fabien | 1-6,3-6 |
| ITF Spain F10 Qual | 2018/04/23 11:20 | Bossel, Adrien v Benjamin Winter Lopez | 6-4,6-2 |
| ITF Spain F10 Qual | 2018/04/22 14:00 | Bossel, Adrien v Lipka, Dariusz | 7-6,6-3 |
| ITF Switzerland F4 | 2018/08/27 08:35 | Florent Bax v Kolly, Bastien | 6-1,6-3 |
| ITF Switzerland F4 | 2018/08/26 11:00 | Florent Bax v Eckert, Gilles | 6-1,7-5 |
| ITF Switzerland F3 | 2018/08/23 09:30 | Jakub Paul v Florent Bax | 7-5,6-3 |
| ITF Switzerland F3 | 2018/08/21 16:25 | Florent Bax v Marc-Andrea Huesler | 5-7,6-4,6-3 |
| ITF Switzerland F3 | 2018/08/20 08:00 | Florent Bax v Sommer, Enzo | 6-0,4-6,6-4 |
| ITF Switzerland F3 | 2018/08/19 08:00 | Florent Bax v Sami Ben Abdennibi | 6-3,6-4 |
| ITF France F14 | 2018/07/17 15:50 | Florent Bax v Voljacques, Hugo | 5-7,3-6 |
| France F14, Singles Qualifying | 2018/07/15 09:40 | Florent Bax v Simon Reveniau | 6-4,6-2 |