| UTR Pro Tennis Series Sofia | 2021/09/04 07:30 | Alexander Lazov v George Lazarov | 3-5 |
| UTR Pro Tennis Series Sofia | 2021/09/03 07:00 | Alexander Lazov v Dian Nedev | 7-5,5-3 |
| UTR Pro Tennis Series Sofia | 2021/09/01 09:30 | Yurii Dzhavakian v Alexander Lazov | 7-6,7-6 |
| UTR Pro Tennis Series Sofia | 2021/08/31 09:30 | Milen Ianakiev v Alexander Lazov | 6-7,2-6 |
| UTR Pro Tennis Series Sofia | 2021/08/30 11:30 | Julien De Cuyper v Alexander Lazov | 2-6,2-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/17 07:30 | Alexander Lazov v Yanais Laurent | 6-3,2-6,4-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/16 10:30 | Arthus De La Bassetiere v Alexander Lazov | 6-4,1-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/15 06:00 | Yurii Dzhavakian v Alexander Lazov | 1-6,2-6 |
| ITF M15 Bad Waltersdorf | 2021/08/22 09:00 | Michael Gloeckler v Giorgio Tabacco | 6-7,6-7 |
| ITF M15 Warmbad-Villach | 2021/08/15 07:00 | Michael Gloeckler v Janos Fekete | 1-6,3-6 |
| ITF M15 Anif | 2020/08/23 07:00 | Matias Franco Descotte v Michael Gloeckler | 6-1,6-3 |
| ITF M25 Vogau | 2020/08/17 09:00 | Michael Gloeckler v Sebastian Prechtel | 4-6,4-6 |
| Austrian Tennis Championship | 2020/07/14 11:30 | Lenny Hampel v Michael Gloeckler | 6-3,6-2 |
| ITF M15 Trnava | 2020/02/24 10:30 | Jakob Aichhorn v Michael Gloeckler | 6-3,7-5 |
| ITF M15 Oberhaching | 2020/02/16 10:00 | Michael Gloeckler v Timo Stodder | 1-6,4-6 |
| ITF M15 Milovice | 2019/11/13 09:00 | Michael Gloeckler v Filip Duda | 2-6,2-6 |