| ITF Qatar F5 | 2016/12/06 07:00 | Alexander Lazov v Ronan Joncour | 6-0,6-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 11:30 | Ronan Joncour v Eric Vanshelboim | 1-6,1-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 10:30 | Johan Sebastien Tatlot v Ronan Joncour | 6-4,3-6,6-1 |
| ITF M25 Vale Do Lobo | 2021/03/08 10:00 | Ronan Joncour v Tiago R Fernandes | 6-1,6-1 |
| ITF M25 Vale Do Lobo | 2021/03/07 11:00 | Ronan Joncour v Martim Marujo | 6-2,6-2 |
| ITF M25 Faro | 2021/03/03 11:00 | Edoardo Graziani v Ronan Joncour | 6-4,3-6,6-3 |
| ITF M25 Faro | 2021/03/02 10:00 | Ronan Joncour v Illia Stoliar | 6-1,6-4 |
| ITF M25 Faro | 2021/03/01 11:00 | Ronan Joncour v Areg Stepanian | 6-1,6-1 |
| ITF M25 Faro | 2021/02/28 11:00 | Ronan Joncour v Angel G Melgar | 6-1,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/01 12:00 | Martin Dimitrov v Alexander Lazov | 0-6,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 10:30 | Alexander Lazov v Eric Vanshelboim | 2-6,2-5 |
| Challenger Istanbul | 2019/09/10 07:00 | Alexander Lazov v Rayane Roumane | 5-7,6-2,1-6 |
| ITF M15 Sozopol | 2019/05/09 09:40 | Alexander Donski v Alexander Lazov | 6-2,6-2 |
| ITF M15 Sozopol | 2019/05/08 11:00 | Shahar Elbaz v Alexander Lazov | 0-6,6-7 |
| Challenger Andria | 2018/11/18 17:05 | Aldin Setkic v Alexander Lazov | 6-3,6-4 |
| Challenger Andria | 2018/11/17 13:00 | Giacomo Dambrosi v Alexander Lazov | 6-7,1-6 |
| Challenger Bratislava | 2018/11/03 16:40 | Alexander Lazov v Andres Artunedo Martinavarr | 7-5,0-6,2-6 |