Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF - Monastir M15 | 2023/10/15 08:00 | Michael Gloeckler v Stefan Frljanic | 6-4,7-6 |
| ITF - Kottingbrunn M15 | 2023/08/16 12:20 | Michael Gloeckler v Luka Mikrut | 6-2,4-6,3-6 |
| ITF - Kottingbrunn M15 | 2023/08/14 12:00 | Michael Gloeckler v Matic Dimic | 6-3,6-4 |
| ITF - Kottingbrunn M15 | 2023/08/14 08:00 | Michael Gloeckler v Jiri Jindacek | 6-3,6-4 |
| ITF - Kottingbrunn M15 | 2023/08/13 08:00 | Michael Gloeckler v Austin Johnson | 6-0,6-0 |
| ITF - Osijek M25 | 2023/08/08 10:55 | Michael Gloeckler v Romeo Hadzimehmedovic | 2-6,6-2,6-10 |
| ITF - Osijek M25 | 2023/08/07 14:10 | Michael Gloeckler v Lukas Rohseano | 6-4,6-0 |
| ITF - Kramsach M25 | 2023/07/25 13:30 | Matthias Ujvary v Michael Gloeckler | 3-6,6-4,6-3 |
| ITF - Monastir M15 | 2023/10/15 08:00 | Alexander Grekul v Frederic Schlossmann | 1-6,0-6 |
| ITF - Monastir M15 | 2023/10/09 16:45 | Frederic Schlossmann v Stefano D'Agostino | 5-7,6-3,6-10 |
| ITF - Monastir M15 | 2023/10/09 08:00 | Frederic Schlossmann v Alberto Morolli | 7-5,6-1 |
| ITF - Monastir M15 | 2023/10/08 08:00 | Mikhail Gorokhov v Frederic Schlossmann | 6-3,3-6,7-10 |
| ITF - Monastir M25 | 2023/09/10 08:00 | Filippo Alberti v Frederic Schlossmann | 2-6,7-6,10-6 |
| ITF - Monastir M25 | 2023/09/04 10:05 | Frederic Schlossmann v Tommaso Schold | 6-2,3-6,8-10 |
| ITF - Allershausen M15 | 2023/08/30 13:45 | Maik Steiner v Frederic Schlossmann | 6-3,4-6,6-1 |
| ITF - Allershausen M15 | 2023/08/30 08:00 | Gregor Ramskogler v Frederic Schlossmann | 4-6,4-6 |