Estadio: VOLKSBANK Court Round: 25 Ground: Clay
| ITF M15 Eupen | 2023/08/09 16:50 | Stijn Slump v David Fix | 3-6,6-4,6-1 |
| ITF M15 Metzingen | 2023/07/26 14:55 | Daniel Paty v David Fix | 6-2,6-1 |
| Challenger Karlsruhe | 2023/07/02 13:50 | Denis Yevseyev v David Fix | 6-3,6-3 |
| ITF M15 Kamen | 2023/06/27 10:45 | Jeremy Jahn v David Fix | 6-2,6-4 |
| ITF M15 Saarlouis | 2023/06/21 13:20 | David Fix v Guy Den Heijer | 6-4,6-7,2-6 |
| Challenger de Ismaning | 2022/10/09 16:45 | Kacper Zuk v David Fix | 6-1,6-3 |
| ITF M15 Ueberlingen | 2022/08/16 14:05 | David Fix v Christoph Negritu | 3-6,3-6 |
| ITF M15 Oberhaching | 2022/02/13 08:00 | David Fix v Yannick Wunderlich | 6-3,5-7,7-10 |
| ITF M15 Norman | 2022/10/26 17:00 | Justin Schlageter v Tyler Zink | 7-6,3-6,4-6 |
| ITF M15 Bad Salzdetfurth | 2019/10/07 12:55 | Justin Schlageter v Lasse Muscheites | 4-6,5-7 |
| ITF Alemania F14 | 2018/10/03 14:20 | Justin Schlageter v Christian Seraphim | 1-6,6-7 |
| Challenger de Pullach - Clasificación | 2018/08/04 13:10 | Justin Schlageter v Fabrizio Ornago | 4-6,6-7 |
| ITF Croacia F2 | 2018/03/10 09:00 | Karlo Kajin v Justin Schlageter | 3-6,6-2,6-4 |
| ITF Alemania F14 | 2017/10/11 13:10 | Justin Schlageter v Marc-Andrea Huesler | 1-6,1-6 |
| ITF Alemania F3 | 2017/01/22 11:30 | Justin Schlageter v Dominik Recek | 4-6,1-6 |
| ITF Alemania F17 | 2016/11/03 10:00 | Justin Schlageter v Hubert Hurkacz | 4-6,0-6 |