Stadium: ourt 1C Round: 29 Ground: Clay
| ITF Tunisia F1 | 2018/01/13 13:05 | Samper-Montana, Jordi v Guttierrez-Ferrol, Sergio | 4-6,5-7 |
| ITF Tunisia F1 | 2018/01/12 08:30 | Guttierrez-Ferrol, Sergio v Javier Barranco Cosano | 6-4,6-0 |
| ITF Tunisia F1 | 2018/01/11 08:30 | Guttierrez-Ferrol, Sergio v Romero de Avila Senise, Alberto | 6-3,6-2 |
| ITF Tunisia F1 | 2018/01/09 10:10 | Guttierrez-Ferrol, Sergio v Mansilla Diez, Mario | 4-6,6-0,6-2 |
| ITF Tunisia F34 | 2017/11/09 08:30 | Aziz Ouakaa v Guttierrez-Ferrol, Sergio | 4-6,3-6 |
| ITF Tunisia F34 | 2017/11/08 08:30 | Benedetti, Giuliano v Guttierrez-Ferrol, Sergio | 2-6,0-6 |
| ITF Spain F33 | 2017/10/13 10:00 | Olaso, Guillermo v Guttierrez-Ferrol, Sergio | 2-6,6-1,6-2 |
| ITF Spain F33 | 2017/10/12 09:00 | Guttierrez-Ferrol, Sergio v Granollers, Gerard | 6-2,6-0 |
| ITF Tunisia F1 | 2018/01/13 14:30 | Jotovski, Tomislav v Jahn, Jeremy | 7-6,6-7,1-6 |
| ITF Tunisia F1 | 2018/01/13 08:30 | Nagy, Peter v Jahn, Jeremy | 3-6,6-7 |
| ITF Tunisia F1 | 2018/01/11 10:00 | Perchicot, Mathieu v Jahn, Jeremy | 6-3,3-6,2-6 |
| ITF Tunisia F1 | 2018/01/10 12:45 | Dolz, Lluis v Jahn, Jeremy | 4-6,0-6 |
| Challenger Eckental | 2017/10/30 15:00 | Jahn, Jeremy v Alexander Bublik | 4-6,4-6 |
| Challenger Ismaning | 2017/10/18 18:15 | Jahn, Jeremy v Yannick Hanfmann | 6-7,6-4,3-6 |
| Challenger Ismaning | 2017/10/17 09:50 | Jahn, Jeremy v Grigelis, Laurynas | 7-6,3-6,7-6 |
| Challenger Ortisei | 2017/10/10 08:30 | Galovic, Viktor v Jahn, Jeremy | 6-3,3-6,6-3 |