Stadium: MTA Hard 20 Round: 62 Ground: Clay
| ITF - M25 Antalya | 2023/02/02 08:55 | Marcel Zielinski v Alex Barrena | 7-6,2-6,4-6 |
| ITF - M25 Antalya | 2023/02/01 10:30 | Aleksandr Lobanov v Marcel Zielinski | 4-6,0-6 |
| ITF - M25 Antalya | 2023/01/31 08:50 | Marcel Zielinski v Lazar Vojinovic | 6-1,6-1 |
| ITF - M25 Antalya | 2023/01/30 11:45 | Marcel Zielinski v Jannik Maute | 6-4,6-1 |
| ITF - M15 - Antalya | 2023/01/27 07:00 | Alex Barrena v Marcel Zielinski | 6-4,6-3 |
| ITF - M15 - Antalya | 2023/01/26 06:30 | Obrad Markovski v Marcel Zielinski | 0-6,1-6 |
| ITF - M15 - Antalya | 2023/01/24 11:35 | Marcel Zielinski v Stefan Palosi | 4-6,6-4,6-4 |
| Majstrovstvá Nemecka | 2022/12/09 14:00 | Marcel Zielinski v Max Hans Rehberg | 3-6,2-6 |
| ITF - M15 - Antalya | 2023/02/26 07:00 | Egor Khotchenkov v Markus Wunder | 7-5,6-1 |
| ITF - M25 Antalya | 2023/02/05 07:00 | Dan Alexandru Tomescu v Markus Wunder | 6-2,6-1 |
| ITF - M25 Manacor | 2023/01/15 13:30 | Jakob Schnaitter v Markus Wunder | 6-2,6-1 |
| ITF - M15 Monastir | 2022/10/09 08:00 | Markus Wunder v Michael Gloeckler | 6-4,2-6,4-10 |
| ITF - M15 Monastir | 2022/10/03 09:00 | Mohamed Ali Abibsi v Markus Wunder | 6-3,7-6 |
| ITF - M15 Monastir | 2022/08/30 09:00 | Sheng Tang v Markus Wunder | 6-3,5-7,10-5 |
| ITF - M15 Monastir | 2022/08/29 13:30 | Markus Wunder v Mohamed El Hafedh Said | 6-1,6-2 |
| ITF - M15 Monastir | 2022/08/28 11:00 | Markus Wunder v Kyle Gauci | 6-1,6-4 |