Stadium: Court 1 Round: 25 Ground: Clay
| 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 |
| ITF M15 Rovinj | 2021/03/17 10:50 | Alexandar Lazarov v Uladzimir Ignatik | 6-4,4-6,7-5 |
| ITF M15 Porec | 2021/03/12 09:00 | Damien Wenger v Alexandar Lazarov | 7-6,6-0 |
| ITF M15 Porec | 2021/03/11 09:00 | Gergely Madarasz v Alexandar Lazarov | 1-6,3-6 |
| ITF M25 Prague | 2021/05/09 10:00 | Victor Vlad Cornea v Jiri Barnat | 5-7,6-3,9-11 |
| Challenger Zadar | 2021/03/21 13:35 | Victor Vlad Cornea v Marco Bortolotti | 1-6,3-6 |
| ITF M15 Rovinj | 2021/03/15 15:50 | Lucas Bouquet v Victor Vlad Cornea | 6-3,4-6,10-8 |
| ITF M15 Rovinj | 2021/03/15 08:30 | Domagoj Biljesko v Victor Vlad Cornea | 3-6,7-5,5-10 |
| ITF M15 Bratislava | 2021/03/09 13:30 | Victor Vlad Cornea v Baptiste Crepatte | 6-7,4-6 |
| Eastern European Championship | 2020/12/18 14:00 | Victor Vlad Cornea v Petar Pjevcevic | 6-2,6-3 |
| Eastern European Championship | 2020/12/17 11:00 | Victor Vlad Cornea v Gorazd Srbljak | 6-2,6-2 |
| Eastern European Championship | 2020/12/15 11:00 | Quentin Folliot v Victor Vlad Cornea | 6-4,6-7,6-3 |