Stadium: Court 5 Round: 25 Ground: Clay
| La Marsa, Singles M-ITF-TUN-37A | 2019/09/01 10:00 | Perez Kowoll, Alejandro v Nagoudi, Adam | 3-6,0-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/19 07:30 | Aziz Ouakaa v Nagoudi, Adam | 6-2,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/14 15:00 | Nagoudi, Adam v Ivanov, Vladislav | 1-6,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/12 08:30 | Ben Abdallah, Skander v Nagoudi, Adam | 1-6,5-7 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/22 14:15 | Ruzgas, Marius v Nagoudi, Adam | 6-1,7-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/22 07:30 | Nagoudi, Adam v Peranamallur, Chandrasekhar Vignesh | 4-6,6-2,10-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/15 07:30 | Nagoudi, Adam v Andrea Picchione | 0-6,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/01 08:30 | Nagoudi, Adam v Gabriele Maria Noce | 0-6,3-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/20 08:30 | Laurent, Thomas v Guttau, Niklas | 6-4,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/19 08:30 | Guttau, Niklas v Fattar, Anas | 7-6,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/17 12:00 | Guttau, Niklas v Cordonnier, Gregorio | 6-1,6-3 |
| Challenger - Augsburg | 2019/08/06 13:20 | Facundo Mena v Guttau, Niklas | 6-4,7-5 |
| Challenger - Augsburg | 2019/08/05 08:00 | Geoffrey Blancaneaux v Guttau, Niklas | 6-4,6-1 |
| ITF M15 Parnu | 2019/07/18 07:30 | Guttau, Niklas v Georgii Kravchenko | 6-2,4-6,4-6 |
| Braunchsweig, Germany | 2019/07/08 08:00 | Guttau, Niklas v Kamke, Tobias | 5-7,4-6 |
| Braunchsweig, Germany | 2019/07/07 08:00 | Duran, Guillermo v Guttau, Niklas | 6-7,6-7 |