Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Madrid | 2023/09/10 13:00 | Pablo Manzano Lapuerta v Yannick Penkner | 6-4,7-6 |
| ITF M15 Kottingbrunn | 2023/08/13 12:00 | Attila Dominik Boros v Yannick Penkner | 6-0,6-3 |
| ITF M25 Kramsach | 2023/07/24 11:00 | Yannick Penkner v Luca Parenti | 1-6,3-6 |
| ITF M25 Kramsach | 2023/07/24 07:30 | Morris Kipcak v Yannick Penkner | 4-6,6-2,6-10 |
| ITF M15 Warmbad-Villach | 2023/05/21 10:00 | Yannick Penkner v Igor Dudun | 4-6,4-6 |
| ITF M15 Telde | 2023/04/10 07:00 | Michael Zhu v Yannick Penkner | 6-1,6-2 |
| ITF M15 Telde | 2023/04/09 09:00 | Yannick Penkner v Jack Karlsson Winstrand | 6-3,7-6 |
| ITF M15 Porec | 2023/03/05 09:00 | Yannick Penkner v Fran Rakonic | 4-6,6-4,8-10 |
| ITF M15 Manacor | 2024/01/08 10:30 | Sergio Callejon Hernando v Nils Pottbecker | 6-0,6-0 |
| ITF M25 Manacor | 2022/01/11 10:30 | Nils Pottbecker v Natan D'Hulst | 0-6,6-7 |