Stadium: Court 4 Round: 29 Ground: Hardcourt indoor
| ITF M15 Esch/Alzette | 2021/07/20 15:45 | Marlon Vankan v Alex Knaff | 6-4,6-4 |
| ITF M25 Esch/Alzette | 2023/07/22 14:25 | Alex Knaff v Mikalai Haliak | 7-6,6-4 |
| ITF M25 Esch/Alzette | 2023/07/21 10:00 | Stefanos Sakellaridis v Alex Knaff | 1-6,1-6 |
| ITF M25 Esch/Alzette | 2023/07/20 10:35 | Arthur Nagel v Alex Knaff | 4-6,2-6 |
| 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 Esch/Alzette | 2023/07/22 12:00 | Chris Rodesch v Marlon Vankan | 6-7,5-7 |
| ITF M25 Esch/Alzette | 2023/07/21 11:20 | Marlon Vankan v Robin Catry | 6-3,6-4 |
| ITF M25 Esch/Alzette | 2023/07/20 11:10 | Federico Agustin Gomez v Marlon Vankan | 7-6,6-7,1-6 |
| ITF M25 Esch/Alzette | 2023/07/19 12:10 | Jakub Wojcik v Marlon Vankan | 6-1,2-6,2-6 |
| ITF M25 Esch/Alzette | 2023/07/16 08:30 | Nikolas Sanchez Izquierdo v Marlon Vankan | 1-6,6-3,6-2 |
| ITF M25 Esch/Alzette | 2023/07/15 16:05 | Chris Rodesch v Marlon Vankan | 6-3,6-7,4-6 |
| ITF M25 Esch/Alzette | 2023/07/14 12:25 | Adam Moundir v Marlon Vankan | 3-6,7-6,5-7 |
| ITF M25 Esch/Alzette | 2023/07/13 09:55 | Mili Poljicak v Marlon Vankan | 2-6,4-6 |