Stadium: Court 2 Round: 54 Ground: Clay
| ITF M15 - Tanger | 2023/06/06 08:50 | Felix Corwin v Taym Alazmeh | 2-6,6-1,3-10 |
| ITF M15 - Tanger | 2023/06/05 09:00 | Felix Corwin v Emilio Sanchez Bronzetti | 6-1,6-1 |
| UTR - Pro Florida | 2023/05/27 14:00 | Felix Corwin v Ethan Leon | 6-7,6-3,6-7 |
| UTR - Pro Florida | 2023/05/26 17:00 | Preston Stearns v Felix Corwin | 7-6,7-5 |
| UTR - Pro Florida | 2023/05/26 14:00 | Agustin Cuellar v Felix Corwin | 4-6,1-6 |
| UTR - Pro Florida | 2023/05/24 14:30 | Sasha Rozin v Felix Corwin | 3-6,3-6 |
| UTR - Pro Florida | 2023/05/22 15:35 | Maxime Mareschal-Hay v Felix Corwin | 7-5,1-6,1-6 |
| ITF M15 - South Bend | 2022/06/24 13:30 | Ryan Shane v Felix Corwin | 7-5,4-6,6-3 |
| ITF M15 - Kamen | 2023/06/26 08:00 | Joshua Schaefer v Piet Steveker | 3-6,1-6 |
| ITF - M15 Duffel | 2023/06/12 15:45 | Facundo Yunis v Piet Steveker | 6-2,6-4 |
| ITF - M15 Duffel | 2023/06/11 16:00 | Tom Clavel v Piet Steveker | 3-6,7-5,8-10 |
| ITF M15 - Meerbusch | 2023/04/27 13:45 | Piet Steveker v Marat Sharipov | 2-6,6-7 |
| ITF M15 - Meerbusch | 2023/04/25 11:00 | Piet Steveker v Paulo Knippling | 4-6,7-5,6-2 |
| German Championship | 2022/12/04 11:00 | Aaron Funk v Piet Steveker | 3-6,6-4,1-0 |