Stadium: Court 8 Round: 25 Ground: Clay
| ITF - M25 Santa Margherita | 2023/04/26 08:00 | Jaime Faria v Veldheer, Mick | 6-4,6-4 |
| ITF - M25 Santa Margherita | 2023/04/25 12:25 | Veldheer, Mick v Timofey Stepanov | 6-3,1-6,6-1 |
| ITF - M25 Santa Margherita | 2023/04/17 14:00 | Veldheer, Mick v Giovanni Oradini | 4-6,2-6 |
| ITF - M25 Santa Margherita | 2023/04/10 08:30 | Veldheer, Mick v Gian M Di Natale | 5-7,2-6 |
| ITF - M25 Trente | 2023/03/28 07:00 | Veldheer, Mick v Bulitski, Aliaksandr | 6-4,2-6,7-10 |
| ITF - M25 Trente | 2023/03/27 09:00 | Veldheer, Mick v Niccolo Baroni | 6-1,7-6 |
| Challenger St Brieuc | 2023/03/20 10:00 | Lucas Poullain v Veldheer, Mick | 6-3,6-3 |
| Challenger St Brieuc | 2023/03/19 09:00 | Adam Taylor v Veldheer, Mick | 1-6,1-6 |
| ITF - M25 Santa Margherita | 2023/04/28 09:00 | Lorenzo Rottoli v Lukas Neumayer | 2-6,6-1,7-6 |
| ITF - M25 Santa Margherita | 2023/04/27 11:50 | Lukas Neumayer v Andrey Chepelev | 6-2,6-1 |
| ITF - M25 Santa Margherita | 2023/04/26 12:05 | Lukas Neumayer v Tommaso Compagnucci | 6-2,6-4 |
| ITF - M25 Santa Margherita | 2023/04/25 09:35 | Lukas Neumayer v Marco Furlanetto | 6-3,6-3 |
| ITF - M25 Santa Margherita | 2023/04/17 14:00 | Lukas Neumayer v Tommaso Compagnucci | 2-6,4-6 |
| ITF - M25 Reus | 2023/04/04 15:45 | Lukas Neumayer v Cungu, Rrezart | 3-6,6-7 |
| ITF M25 Palmanova | 2023/03/23 08:25 | Vilius Gaubas v Lukas Neumayer | 0-6,7-5,7-5 |
| ITF M25 Palmanova | 2023/03/21 14:30 | Alejandro Manzanera Pertusa v Lukas Neumayer | 4-6,4-6 |