Stadium: Court 4 Round: 26 Ground: Hardcourt indoor
| ITF M25 Esch/Alzette | 2023/07/19 09:25 | Roland Stuurman v Arthur Nagel | 2-6,2-6 |
| ITF M25 Esch/Alzette | 2023/07/17 16:55 | Tristan Reiff v Arthur Nagel | 3-6,2-6 |
| ITF M25 Esch/Alzette | 2023/07/17 12:05 | Axel Etienne v Arthur Nagel | 3-6,5-7 |
| UTR Pro Hilversum | 2023/06/11 06:00 | Arthur Nagel v Masato Perera | 6-3,2-6,6-3 |
| UTR Pro Hilversum | 2023/06/10 09:00 | Arthur Nagel v Julian Cundom | 6-4,6-4 |
| UTR Pro Hilversum | 2023/06/09 07:30 | Arthur Nagel v Sander Jong | 6-2,4-6,2-6 |
| UTR Pro Hilversum | 2023/06/08 08:45 | Arthur Nagel v Karim Al-Amin | 7-6,7-6 |
| UTR Pro Hilversum | 2023/06/07 10:10 | Ole Bredschneijder v Arthur Nagel | 1-6,2-5 |
| ITF M25 Esch/Alzette | 2023/07/19 11:15 | Mayeul Darras v Alex Knaff | 1-6,2-6 |
| ITF M25 Esch/Alzette | 2023/07/13 10:00 | Kai Wehnelt v Alex Knaff | 6-7,7-6,7-6 |
| ITF M25 Esch/Alzette | 2023/07/12 09:45 | Fons Van Sambeek v Alex Knaff | 3-6,4-6 |
| ITF M25 Arlon | 2023/06/30 09:00 | Tibo Colson v Alex Knaff | 7-6,6-4 |
| ITF M25 Arlon | 2023/06/29 09:50 | Raphael Calzi v Alex Knaff | 2-6,1-6 |
| ITF M25 Arlon | 2023/06/28 10:35 | Alex Knaff v Mathys Erhard | 7-6,6-4 |
| ITF M15 Saarlouis | 2023/06/22 12:30 | Sander Jong v Alex Knaff | 6-4,6-3 |
| ITF M15 Saarlouis | 2023/06/21 11:20 | Masato Perera v Alex Knaff | 2-6,3-6 |