Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Haren | 2023/09/04 08:00 | Claus Piening v Teun Rozenberg | 7-6,6-7,5-10 |
| ITF M25 Oldenzaal | 2023/08/29 07:20 | Claus Piening v Tom Schonenberg | 6-4,4-6,2-10 |
| ITF M25 Oldenzaal | 2023/08/28 08:00 | Sabanin, Yan v Claus Piening | 5-7,1-6 |
| ITF - M15 Sharm El Sheikh | 2023/10/01 07:00 | Ruslan Serazhetdinov v El Feky, Karim | 1-6,0-6 |