Stadium: Court 11 Round: 54 Ground: Clay
| ITF M25 - Santa Margherita | 2023/10/08 08:30 | Marcel Marlon Sudzum v Toby Martin | 1-6,0-6 |
| ITF M25 - Santa Margherita | 2023/09/17 08:30 | Marcel Marlon Sudzum v Marco Dessi | 1-6,3-6 |
| ITF M15 - Saarlouis | 2023/06/18 09:00 | Marcel Marlon Sudzum v Collin Altamirano | 1-6,2-6 |
| ITF M25 - Risskov/Århus | 2023/06/11 12:50 | Oren Vasser v Marcel Marlon Sudzum | 6-2,6-1 |
| ITF M25 - Most | 2023/05/21 08:00 | Lukas Velik v Marcel Marlon Sudzum | 6-4,6-1 |
| ITF M25 - Santa Margherita | 2023/04/30 08:00 | Leonardo Catani v Marcel Marlon Sudzum | 6-3,6-1 |
| ITF M25 - Santa Margherita | 2023/04/23 11:00 | Mikalai Haliak v Marcel Marlon Sudzum | 6-4,6-1 |
| ITF M25 - Santa Margherita | 2023/04/16 08:30 | Giannicola Misasi v Marcel Marlon Sudzum | 6-0,6-1 |
| ITF M15 - Opatija | 2024/03/17 08:00 | Thomas Nucera v Graham Maassen | 4-6,6-3,10-4 |
| ITF M15 - Rovinj | 2024/03/11 15:15 | Graham Maassen v Kevin Humpfner | 1-6,2-6 |
| ITF M15 - Rovinj | 2024/03/11 09:30 | Graham Maassen v Ognjen Pavlovic | 7-5,5-7,10-8 |
| ITF M15 - Porec | 2024/03/03 11:30 | Alexander Grekul v Graham Maassen | 1-6,6-4,10-4 |
| ITF M25 - Heraklion | 2023/11/28 09:05 | Stephanos Schinas v Graham Maassen | 6-4,6-4 |
| ITF M15 - Heraklion | 2023/11/21 07:00 | Graham Maassen v Neil Oberleitner | 2-6,2-6 |
| ITF M25 - Heraklion | 2023/11/13 08:30 | Graham Maassen v Simon Freund | 3-6,2-6 |
| ITF M25 - Heraklion | 2023/11/12 07:00 | Christos Antonopoulos v Graham Maassen | 4-6,4-6 |