Stadium: Hard 21 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2023/11/14 13:55 | Joel Schwaerzler v Eyal Shumilov | 7-6,6-2 |
| Challenger Bad Waltersdorf | 2023/09/19 13:10 | Albert Ramos-Vinolas v Joel Schwaerzler | 4-6,6-1,6-3 |
| ITF M15 Kottingbrunn | 2023/08/18 10:05 | Joel Schwaerzler v Marat Sharipov | 2-6,0-6 |
| ITF M15 Kottingbrunn | 2023/08/17 08:00 | Svyatoslav Gulin v Joel Schwaerzler | 1-6,1-6 |
| ITF M15 Kottingbrunn | 2023/08/16 09:50 | Joel Schwaerzler v Marco Miceli | 6-7,6-0,6-2 |
| ITF M15 Frankfurt Am Main | 2023/08/09 12:00 | Joel Schwaerzler v Michael Agwi | 6-7,2-6 |
| ATP Kitzbühel | 2023/07/29 09:00 | Joel Schwaerzler v Dennis Novak | 4-6,1-6 |
| Challenger Mauthausen | 2023/05/07 09:45 | Illya Marchenko v Joel Schwaerzler | 7-5,6-2 |
| ITF M15 Heraklion | 2023/11/14 13:20 | Pierre Delage v Sebastian Gima | 6-3,4-6,3-6 |
| ITF M25 Heraklion | 2023/11/09 07:30 | Sidane Pontjodikromo v Sebastian Gima | 7-5,1-6,6-2 |
| ITF M25 Heraklion | 2023/11/08 11:35 | Christos Glavas v Sebastian Gima | 2-6,6-7 |
| ITF M25 Heraklion | 2023/11/03 10:50 | Arthur Gea v Sebastian Gima | 4-6,6-1,6-1 |
| ITF M25 Heraklion | 2023/11/02 10:30 | Ronetto Van Tilburg v Sebastian Gima | 3-6,7-5,4-6 |
| ITF M25 Heraklion | 2023/11/01 11:35 | Daniele Rapagnetta v Sebastian Gima | 4-6,4-6 |
| ITF M15 Heraklion | 2023/10/17 06:30 | Sebastian Gima v Jacob Kahoun | 4-6,6-1,5-10 |
| ITF M15 Heraklion | 2023/10/16 07:00 | Sebastian Gima v Louis Van Herck | 6-1,7-6 |