Stadium: COURT 9 Round: 44 Ground: Hardcourt outdoor
| UTR Pro Tennis Series Sofia | 2021/09/03 08:30 | Alexandar Lazarov v Leonid Sheyngezikht | 6-3,5-2 |
| UTR Pro Tennis Series Sofia | 2021/09/02 10:00 | Leonid Sheyngezikht v Viktor Markov | 6-2,5-3 |
| UTR Pro Tennis Series Sofia | 2021/09/01 09:30 | Leonid Sheyngezikht v Alexandru Luca | 6-3,6-2 |
| UTR Pro Tennis Series Sofia | 2021/08/31 06:30 | Leonid Sheyngezikht v Ivan Mikhaylyuk | 6-2,7-5 |
| UTR Pro Tennis Series Sofia | 2021/08/30 07:00 | Leonid Sheyngezikht v Tadija Radovanovic | 6-2,6-3 |
| ITF M15 Cairo | 2021/08/03 08:55 | Vladislav Ivanov v Leonid Sheyngezikht | 7-6,6-2 |
| ITF M15 Cairo | 2021/08/03 07:30 | Vladislav Ivanov v Leonid Sheyngezikht | 7-6,6-2 |
| ITF M15 Cairo | 2021/08/02 09:30 | Mohab Hamed v Leonid Sheyngezikht | 0-6,3-6 |
| ITF M25 Johannesburg | 2021/09/12 07:30 | Shahar Gabay v Neil Oberleitner | 1-6,0-6 |
| Challenger Tulln | 2021/09/07 10:10 | Neil Oberleitner v Hugo Gaston | 6-7,2-6 |
| Challenger Tulln | 2021/09/06 08:00 | Neil Oberleitner v Gonzalo Villanueva | 7-5,6-2 |
| Challenger Tulln | 2021/09/05 10:50 | Rudolf Molleker v Neil Oberleitner | 2-6,5-7 |
| ITF M15 Bad Waltersdorf | 2021/09/01 08:00 | Neil Oberleitner v Lorenzo Rottoli | 4-6,6-7 |
| ITF M15 Bad Waltersdorf | 2021/08/27 09:25 | Lukas Krainer v Neil Oberleitner | 6-7,6-4,6-0 |
| ITF M15 Bad Waltersdorf | 2021/08/26 06:55 | Neil Oberleitner v Eric Vanshelboim | 7-6,6-0 |
| ITF M15 Bad Waltersdorf | 2021/08/24 12:40 | Neil Oberleitner v Maximilian Homberg | 6-2,6-2 |