Stadium: Hard 21 Round: 25 Ground: Hardcourt outdoor
| 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 |
| Kitzbuhel, Austria | 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 Antalya | 2023/03/18 07:00 | Andrey Chepelev v Joel Schwaerzler | 6-3,5-7,1-6 |
| ITF M25 Herzlia | 2023/08/07 06:30 | Aaron Cohen v Eyal Shumilov | 7-5,1-6,10-7 |
| ITF M15 Raanana | 2023/07/30 11:30 | Attila Boros v Eyal Shumilov | 6-2,6-3 |
| ITF M25 Netanya | 2023/06/28 06:30 | Eyal Shumilov v Roi Ginat | 7-5,4-6,3-6 |
| ITF M25 Netanya | 2023/06/27 06:25 | Vladimir Bazilevskiy v Eyal Shumilov | 2-6,6-7 |
| ITF M25 Netanya | 2023/06/26 11:10 | Eyal Shumilov v Cohen, Amit | 3-6,6-3,10-5 |
| ITF M25 Netanya | 2023/06/25 08:00 | Zuckerman, Alex v Eyal Shumilov | 6-3,0-6,8-10 |
| ITF M25 Netanya | 2023/06/19 10:10 | Trey Hilderbrand v Eyal Shumilov | 7-5,6-4 |
| ITF M25 Netanya | 2023/06/18 06:30 | Yoav Levy v Eyal Shumilov | 5-7,2-6 |