Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/10/07 07:00 | 웨흐넬트, 카이 v 트시바즈, | 6-3,6-1 |
| ITF M15 Sozopol | 2021/10/05 09:00 | Dragomir Draganov v 트시바즈, | 3-6,2-6 |
| ITF M15 Sozopol | 2021/09/16 08:00 | 이바노브, 시몬 안토니 v 트시바즈, | 7-6,6-0 |
| ITF M15 Sozopol | 2021/09/15 07:00 | 밀루세브, 플라멘 v 트시바즈, | 4-6,3-6 |
| ITF M15 Telavi | 2021/08/03 08:05 | 카비불린, 티무르 v 트시바즈, | 6-1,6-2 |
| ITF M25 Telavi | 2021/07/30 08:25 | 트시바즈, v 캐시, 줄리안 | 6-7,4-6 |
| ITF M15 Tbilisi | 2021/05/18 12:25 | 포톨리, 로렌조 v 트시바즈, | 7-6,6-4 |
| ITF M15 Doha | 2020/03/11 13:55 | 코데스쿠, 라즈반 마리우스 v 트시바즈, | 1-6,0-6 |
| ITF M15 Sozopol | 2021/10/05 10:00 | Terziev, Simeon v 하리스, 빌리 | 1-6,5-7 |
| ITF M15 Sozopol | 2021/09/16 08:00 | 바체로트, 발렌틴 v Terziev, Simeon | 6-0,6-3 |
| ITF M15 Sozopol | 2021/09/14 10:00 | Terziev, Simeon v Dinko Dinev | 6-4,6-2 |
| UTR Pro Tennis Series Sofia | 2021/09/02 10:00 | Terziev, Simeon v 자바키안, 유리 | 3-6,7-6,3-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 06:30 | Terziev, Simeon v Adriano Dzhenev | 6-1,6-2 |
| UTR Pro Tennis Series Sofia | 2021/08/31 11:00 | Terziev, Simeon v Veselin Kiselkov | 6-1,5-0 |
| UTR Pro Tennis Series Sofia | 2021/08/30 10:00 | Ioan Alexandru Chirita v Terziev, Simeon | 4-6,6-3,3-6 |
| ITF M25 Pitesti | 2021/08/04 05:55 | 데놀리, 코렌틴 v Terziev, Simeon | 6-3,7-5 |