| UTR Pro Tennis Series Bucharest | 2021/12/02 09:30 | Olexiy Kolisnyk v Ioan Alexandru Chirita | 4-6,5-6 |
| UTR Pro Tennis Series Bucharest | 2021/12/01 14:00 | Stefan A Andreescu v Olexiy Kolisnyk | 6-2,2-6,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/11/30 14:50 | Vasile Antonescu v Olexiy Kolisnyk | 7-6,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/20 14:46 | Olexiy Kolisnyk v Egor Matvievici | 6-3,4-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 15:03 | Olexiy Kolisnyk v Vladimir Popov | 6-0,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/18 11:30 | Olexiy Kolisnyk v Denis Parshutin | 7-6,6-2 |
| UTR Pro Tennis Series Zadar | 2021/11/16 11:44 | Olexiy Kolisnyk v Alexander Chepik | 3-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/15 12:00 | Olexiy Kolisnyk v Christos Keisidis | 7-5,3-6,4-6 |
| UTR Pro Tennis Series Bucharest | 2021/12/02 08:00 | Stefan A Andreescu v Nicolae Frunza | 2-6,2-5 |
| UTR Pro Tennis Series Bucharest | 2021/12/01 11:00 | Vasile Antonescu v Nicolae Frunza | 6-3,1-6,3-6 |
| UTR Pro Tennis Series Bucharest | 2021/11/29 09:30 | Ioan Alexandru Chirita v Nicolae Frunza | 2-6,2-5 |
| Davis Cup | 2021/11/27 10:00 | Nicolae Frunza v Nicolas Alvarez | 6-2,6-4 |
| ITF M15 Antalya | 2021/11/04 06:30 | Nicolae Frunza v Lukas Neumayer | 3-6,3-6 |
| ITF M15 Antalya | 2021/11/03 11:20 | Nicolae Frunza v Konstantin Zhzhenov | 6-2,6-3 |
| ITF M15 Antalya | 2021/10/22 07:00 | Nicholas David Ionel v Nicolae Frunza | 6-4,6-1 |
| ITF M15 Antalya | 2021/10/21 07:00 | Santiago De La Fuente v Nicolae Frunza | 1-6,7-5,0-6 |