Stadium: Court 2 Round: 25 Ground: Clay
| ITF - Marburg M25 | 2023/07/05 12:20 | Aldin Setkic v Neo Niedner | 6-2,6-3 |
| ITF - Cluj Napoca M15 | 2023/06/20 10:45 | Radu Mihai Papoe v Neo Niedner | 6-3,6-2 |
| ITF - Cluj Napoca M15 | 2023/06/19 07:00 | Csongor Hejjas v Neo Niedner | 1-6,3-6 |
| ITF - Cluj Napoca M15 | 2023/06/18 06:30 | Giuseppe Corsaro v Neo Niedner | 1-6,0-6 |
| ITF - Monastir M15 | 2023/06/05 08:30 | Neo Niedner v Antonio Prat | 2-6,2-6 |
| ITF - Wetzlar M25 | 2022/08/03 10:05 | Milan Welte v Neo Niedner | 6-4,6-7,6-4 |
| ITF - Vejle M15 | 2022/07/26 10:55 | Maxime Chazal v Neo Niedner | 6-4,5-7,6-2 |
| ITF - Kassel M25 | 2022/07/13 13:05 | Neo Niedner v Kai Wehnelt | 1-6,0-6 |
| ITF - Uslar M15 | 2023/07/22 11:30 | Nicolas Zanellato v Stefan Popovic | 3-6,2-6 |
| ITF - Uslar M15 | 2023/07/21 15:00 | Gilles Arnaud Bailly v Nicolas Zanellato | 4-6,4-6 |
| ITF - Uslar M15 | 2023/07/20 13:55 | Juan C P Angelo v Nicolas Zanellato | 6-4,2-6,3-6 |
| ITF - Uslar M15 | 2023/07/18 11:30 | Max Schoenhaus v Nicolas Zanellato | 2-6,3-6 |
| Challenger Medellin | 2023/06/27 22:15 | Adria Soriano Barrera v Nicolas Zanellato | 7-6,6-2 |
| Challenger Medellin | 2023/06/26 19:45 | Nicolas Zanellato v Nicolas Buitrago | 4-6,7-5,6-2 |
| Challenger Medellin | 2023/06/25 15:00 | Nicolas Zanellato v Enrique Pena | 6-4,6-0 |
| Challenger Cali | 2023/06/19 19:10 | Nicolas Zanellato v Ignacio Monzon | 4-6,4-6 |