Stadium: B & B Court Round: 25 Ground: Clay
| ATP Kitzbuhel | 2023/07/29 09:00 | Kilian Feldbausch v Ivan Gakhov | 4-6,6-7 |
| Challenger Zug | 2023/07/25 13:00 | Kilian Feldbausch v Fabio Fognini | 4-6,2-6 |
| ATP Gstaad | 2023/07/15 10:10 | Facundo Bagnis v Kilian Feldbausch | 7-6,6-3 |
| ITF M25 Klosters | 2023/07/04 11:25 | Gabriel Debru v Kilian Feldbausch | 6-4,6-7,6-4 |
| Challenger Roseto | 2023/04/20 09:00 | Kilian Feldbausch v Franco Agamenone | 0-6,1-6 |
| Challenger Roseto | 2023/04/19 09:00 | Mariano Navone v Kilian Feldbausch | 6-7,0-6 |
| ITF M15 Doha | 2023/01/12 12:00 | Marat Sharipov v Kilian Feldbausch | 6-3,1-6,6-4 |
| ITF M15 Doha | 2023/01/11 13:10 | Kilian Feldbausch v Aleksandre Metreveli | 6-1,6-2 |
| Challenger Liberec | 2023/07/31 14:00 | Max Houkes v Daniel Michalski | 5-7,4-6 |
| Challenger Verona | 2023/07/26 12:00 | Chun Hsin Tseng v Max Houkes | 4-6,7-5,6-3 |
| Challenger Verona | 2023/07/24 08:00 | Max Houkes v Samuel Vincent Ruggeri | 6-2,4-6,3-6 |
| Challenger Verona | 2023/07/23 08:00 | Max Houkes v Simone Roncalli | 6-4,6-7,6-2 |
| Challenger Amersfoort | 2023/07/18 11:50 | Max Houkes v Nicholas David Ionel | 6-7,2-6 |
| ITF M25 The Hague | 2023/07/09 08:50 | Guy Den Ouden v Max Houkes | 6-3,3-6,3-6 |
| ITF M25 The Hague | 2023/07/07 10:00 | Zura Tkemaladze v Max Houkes | 6-3,0-6,1-6 |
| ITF M25 The Hague | 2023/07/06 14:40 | Stijn Slump v Max Houkes | 1-6,5-7 |