| ITF M25 Bacau | 2021/08/17 09:15 | Ray Ho v Ioan Alexandru Chirita | 6-4,6-0 |
| ITF M25 Bacau | 2021/08/16 13:30 | Ioan Alexandru Chirita v Mihai Razvan Marinescu | 6-1,7-6 |
| ITF M15 Curtea de Arges | 2021/08/09 07:00 | Ioan Alexandru Chirita v Stefan Palosi | 1-6,3-6 |
| ITF M25 Pitesti | 2021/08/03 10:20 | Ioan Alexandru Chirita v Dan Alexandru Tomescu | 4-6,0-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/05 10:00 | Ioan Alexandru Chirita v Valentin Vanta | 2-6,6-3,4-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 11:30 | Ioan Alexandru Chirita v Vlad Stoica | 6-3,6-1 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 14:30 | George Botezan v Ioan Alexandru Chirita | 1-6,2-6 |
| ITF M15 Bucharest | 2021/05/25 12:30 | Ioan Alexandru Chirita v Mirko Martinez | 6-7,0-6 |
| ITF M25 Pitesti | 2021/08/04 05:55 | Corentin Denolly v Simeon Terziev | 6-3,7-5 |
| ITF M25 Pitesti | 2021/08/03 05:55 | Toby Martin v Simeon Terziev | 5-7,4-6 |
| ITF M15 Sofia | 2021/07/08 11:40 | Simeon Terziev v Gabriel Donev | 1-6,6-4,0-6 |
| ITF M15 Sofia | 2021/07/07 08:35 | Dan Added v Simeon Terziev | 7-5,5-7,4-6 |
| ITF M15 Antalya | 2021/06/30 10:30 | Simeon Terziev v Carlos Sanchez Jover | 6-2,0-6,6-7 |
| ITF M15 Antalya | 2021/06/21 07:00 | Stefan Palosi v Simeon Terziev | 6-0,7-5 |
| ITF M15 Antalya | 2021/06/20 07:00 | Simeon Terziev v Gabriel Roveri Sidney | 4-6,7-6,10-8 |
| ITF M15 Skopje | 2021/06/06 12:00 | Max Houkes v Simeon Terziev | 6-1,6-4 |