| UTR Pro Tennis Series Bucharest | 2021/12/04 09:30 | Kolisnyk, Olexiy v Uzhylovsky, Vladimir | 6-4,3-6,5-3 |
| UTR Pro Tennis Series Bucharest | 2021/12/03 09:30 | Kolisnyk, Olexiy v Frunza, Nicolae | 7-5,3-6,4-5 |
| UTR Pro Tennis Series Bucharest | 2021/12/02 09:30 | Kolisnyk, Olexiy v Ioan Alexandru Chirita | 4-6,5-6 |
| UTR Pro Tennis Series Bucharest | 2021/12/01 14:00 | Stefan A Andreescu v Kolisnyk, Olexiy | 6-2,2-6,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/11/30 14:50 | Antonescu, Vasile v Kolisnyk, Olexiy | 7-6,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/20 14:46 | Kolisnyk, Olexiy v Egor Matvievici | 6-3,4-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 15:03 | Kolisnyk, Olexiy v Vladimir Popov | 6-0,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/18 11:30 | Kolisnyk, Olexiy v Parshutin, Denis | 7-6,6-2 |
| UTR Pro Tennis Series Bucharest | 2021/12/04 08:00 | Mihnea Petru Zaharia v Ignat, Dragos Constantin | 1-6,4-6 |
| UTR Pro Tennis Series Bucharest | 2021/12/03 11:00 | Ignat, Dragos Constantin v Ivanov, Simon Anthony | 0-6,1-5 |
| UTR Pro Tennis Series Bucharest | 2021/12/02 08:00 | Ignat, Dragos Constantin v Willems, Johann | 1-6,2-5 |
| UTR Pro Tennis Series Bucharest | 2021/12/01 11:00 | Stefan Palosi v Ignat, Dragos Constantin | 6-2,6-0 |
| UTR Pro Tennis Series Bucharest | 2021/11/30 11:00 | Dan Alexandru Tomescu v Ignat, Dragos Constantin | 6-3,5-2 |
| ITF M15 Nules | 2021/11/15 10:00 | Ignat, Dragos Constantin v Vicente O Moratalla | 6-3,5-7,9-11 |
| ITF M15 Nules | 2021/11/14 08:30 | Ignat, Dragos Constantin v Filippo Giovannini | 6-3,6-1 |
| ITF M15 Benicarlo | 2021/11/09 09:00 | Ignat, Dragos Constantin v Louroi Martinez | 4-6,5-7 |