| ITF M15 Jerusalem | 2021/05/14 07:30 | Alexandar Lazarov v Felix Corwin | 2-6,7-5,6-3 |
| ITF M15 Jerusalem | 2021/05/13 08:25 | Alexandar Lazarov v Reese Stalder | 6-3,3-6,6-3 |
| ITF M15 Jerusalem | 2021/05/11 06:30 | Alexandar Lazarov v Samer Al Tori | 6-3,6-1 |
| ITF M15 Ramat Hasharon | 2021/05/07 07:00 | Alexandar Lazarov v Yshai Oliel | 4-6,3-6 |
| ITF M15 Ramat Hasharon | 2021/05/06 08:50 | Alexandar Lazarov v Luigi Sorrentino | 7-5,6-1 |
| ITF M15 Ramat Hasharon | 2021/05/05 10:40 | Alexandar Lazarov v Toby D. Boyer | 6-0,6-1 |
| ITF M15 Opatija | 2021/03/23 12:30 | Alexandar Lazarov v Sebastian Prechtel | 6-7,4-6 |
| ITF M15 Rovinj | 2021/03/18 10:10 | Martin Damm v Alexandar Lazarov | 6-1,5-7,6-4 |