Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/10/04 08:00 | George Lazarov v Munteanu, Dan Radu | 6-0,6-2 |
| ITF M15 Sozopol | 2021/09/16 07:00 | 런카누, 페트루-알렉산드루 v George Lazarov | 6-1,1-6,7-6 |
| ITF M15 Sozopol | 2021/09/15 08:30 | George Lazarov v 도네브, 가브리엘 | 6-1,6-3 |
| ITF M15 Sozopol | 2021/09/14 07:00 | George Lazarov v Minakov, Mikhail | 7-5,4-6,10-4 |
| ITF M15 Sozopol | 2021/09/13 08:00 | 카스텔레티, 루이기 v George Lazarov | 3-6,4-6 |
| UTR Pro Tennis Series Sofia | 2021/09/04 07:30 | 라조브, 알렉산더 v George Lazarov | 3-5 |
| UTR Pro Tennis Series Sofia | 2021/09/03 07:00 | George Lazarov v 케시디스, 크리스토스 | 6-4,6-4 |
| UTR Pro Tennis Series Sofia | 2021/09/02 07:00 | 미크하이리우크, 이반 v George Lazarov | 3-6,1-6 |
| ITF M15 Sozopol | 2021/10/03 09:00 | Nikola Keremedchiev v 이브라힘, 제임스 | 4-6,6-4,10-4 |
| ITF M15 Novi Sad | 2021/08/01 07:00 | Nikola Keremedchiev v 잔드리크, 달코 | 1-6,6-7 |