Round: 62 Ground: Hardcourt outdoor
| ITF Croatia F2 | 2018/03/13 08:00 | Andres Gabriel Ciurletti v Tobias Sonne | 6-2,6-0 |
| ITF Croatia F2 | 2018/03/12 12:00 | Mile Matic v Tobias Sonne | 0-6,5-7 |
| ITF Croatia F2 | 2018/03/12 08:00 | Tobias Sonne v Ahmed Choudhary | 6-1,6-2 |
| ITF Croatia F1 | 2018/03/07 08:00 | Pavel Nejedly v Tobias Sonne | 6-0,6-3 |
| ITF Argentina F6 | 2017/09/05 18:55 | Tomas Martin Etcheverry v Tobias Sonne | 6-0,6-2 |
| ITF Egypt F22 | 2017/07/24 14:00 | Filippo Borella v Tobias Sonne | 6-0,6-0 |
| ITF Morocco F1 | 2017/07/15 11:00 | Fernando Bogajo v Tobias Sonne | 6-3,6-1 |
| Challenger Buenos Aires Qual | 2017/03/12 17:55 | Esteban Bruna v Tobias Sonne | 6-2,6-7,7-5 |
| ITF Tunisia F10 | 2018/03/10 10:30 | Alex Jones v Simohamed Hirs | 4-6,4-6 |
| ITF Tunisia F32 | 2017/10/22 08:30 | Alex Jones v Mihnea L.S. Turcu | 4-6,3-6 |
| ITF Tunisia F32 | 2017/10/21 09:00 | Francesco Denicoloi v Alex Jones | 3-6,2-6 |
| ITF Tunisia F31 | 2017/10/15 10:30 | Bruno Mardones v Alex Jones | 6-0,6-2 |
| ITF Tunisia F31 | 2017/10/14 08:30 | Alex Jones v Mousa Shanan Zayed | 6-3,6-3 |
| ITF Spain F33 | 2017/10/07 11:30 | Vullnet Tashi v Alex Jones | 6-1,6-3 |
| ITF Tunisia F27 | 2017/09/18 08:30 | Andrea Borroni v Alex Jones | 6-3,6-2 |
| ITF Tunisia F27 | 2017/09/17 08:30 | Lorenzo Brunetti v Alex Jones | 6-7,2-6 |