Stadium: Court 5 Round: 54 Ground: Clay
| ITF Switzerland F5 | 2018/09/03 15:45 | Heliovaara, Harri v Bossel, Adrien | 6-3,6-0 |
| ITF Switzerland F4 | 2018/08/28 15:15 | Bossel, Adrien v Florent Bax | 1-6,6-7 |
| 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 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/08 10:00 | Pirolt, Pietro v Rossi, Mattia | 4-6,1-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/01 12:30 | Pierre Delage v Rossi, Mattia | 6-3,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/01 08:30 | Souri, Mahdi v Rossi, Mattia | 3-6,3-6 |
| ITF Egypt F28 | 2018/11/18 10:00 | Makzoume, Yacoub v Rossi, Mattia | 5-7,6-4,6-3 |
| Egypt F27, Singles Qualifying | 2018/11/10 08:00 | Rossi, Mattia v Lodewijk Weststrate | 2-6,4-6 |
| ITF Egypt F26 | 2018/11/05 08:00 | Sergei Pogosian v Rossi, Mattia | 7-5,6-2 |
| ITF Egypt F26 | 2018/11/04 12:00 | Chuev, Nikita v Rossi, Mattia | 3-6,2-6 |
| ITF Egypt F23 | 2018/10/17 09:30 | Kai Wehnelt v Rossi, Mattia | 7-6,6-4 |