Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2019/05/08 12:40 | Alexander Donski v Leonid Sheyngezikht | 7-5,6-3 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/25 12:30 | Crepaldi, Erik v Alexander Donski | 4-6,7-5,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/24 08:30 | Alexander Donski v Samuel Brosset | 6-2,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/17 12:55 | Alexander Donski v Pontico, Hugo | 3-6,6-3,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/15 13:45 | Johannson-Holm, Jakob v Alexander Donski | 5-7,3-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/15 08:00 | Weindl, Michael v Alexander Donski | 4-6,7-6,10-12 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/10 14:30 | Nik Razborsek v Alexander Donski | 6-3,7-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/08 15:00 | Alexander Donski v Borroni, Andrea | 6-4,7-6 |
| ITF M15 Sozopol | 2019/05/08 11:00 | Elbaz, Shahar v Lazov, Alexander | 0-6,6-7 |
| Challenger Andria | 2018/11/18 17:05 | Aldin Setkic v Lazov, Alexander | 6-3,6-4 |
| Challenger Andria | 2018/11/17 13:00 | Dambrosi, Giacomo v Lazov, Alexander | 6-7,1-6 |
| Challenger Bratislava | 2018/11/03 16:40 | Lazov, Alexander v Artunedo Martinav. | 7-5,0-6,2-6 |
| ITF Turkey F31 | 2018/10/11 08:55 | Lazov, Alexander v Madaras, Dragos Nicolae | 1-6,3-6 |
| ITF Turkey F31 | 2018/10/10 09:35 | Lazov, Alexander v Koray Kirci | 6-2,6-3 |
| ITF Turkey F30 | 2018/10/04 10:05 | Lazov, Alexander v Lucas Gerch | 7-6,3-6,3-6 |
| ITF Turkey F30 | 2018/10/03 08:15 | Lazov, Alexander v Schroll, Philipp | 6-4,6-4 |