| UTR Pro Tennis Series Pazardzhik | 2021/04/11 10:00 | Alexander Lazov v Constant De La Bassetiere | 5-7,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/10 13:30 | Alexander Lazov v Aristotelis Thanos | 6-4,5-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 14:00 | Mick Lescure v Alexander Lazov | 6-3,3-6,6-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 10:00 | Gergely Madarasz v Alexander Lazov | 6-4,7-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 08:30 | Jules Marie v Alexander Lazov | 6-1,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 11:30 | Alexander Lazov v Yanais Laurent | 0-6,6-1,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 08:30 | Alexander Lazov v Dinko Dinev | 6-7,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 11:30 | Ronan Joncour v Alexander Lazov | 1-6,5-7 |
| 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 |
| ITF M15 Milovice | 2019/11/12 10:40 | Michael Gloeckler v Samuel Puskar | 2-6,6-7 |
| ITF M15 Prague | 2019/11/04 13:00 | Filip Duda v Michael Gloeckler | 6-4,6-7,10-2 |