Stadium: Gencom Round: 14 Ground: Clay
| ATP Sofia | 2021/09/27 15:00 | Miomir Kecmanovic v Adrian Andreev | 7-6,6-4 |
| Challenger Istanbul | 2021/09/13 07:30 | Adrian Andreev v Laurent Lokoli | 1-6,4-6 |
| Challenger Istanbul | 2021/09/12 08:00 | Adrian Andreev v Alexander Cozbinov | 6-4,6-4 |
| Challenger Seville | 2021/09/08 20:05 | Roberto Carballes Baena v Adrian Andreev | 6-4,6-1 |
| Challenger Seville | 2021/09/06 19:00 | Roberto Ortega-Olmedo v Adrian Andreev | 6-7,0-6 |
| Challenger Luedenscheid | 2021/08/15 11:00 | Matteo Martineau v Adrian Andreev | 6-4,7-5 |
| Challenger Prague | 2021/08/10 11:45 | Adrian Andreev v Nino Serdarusic | 3-6,3-6 |
| Challenger Prague | 2021/08/09 09:55 | Adrian Andreev v Facundo Diaz Acosta | 2-6,6-4,6-3 |
| UTR Pro Tennis Series Zadar | 2021/11/20 12:24 | Domagoj Biljesko v Vladyslav Manafov | 6-7,6-2,6-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 09:00 | Vladyslav Manafov v Duje Kekez | 6-3,2-6,6-3 |
| UTR Pro Tennis Series Zadar | 2021/11/18 13:30 | Vladyslav Manafov v Timur Maulenov | 7-6,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/16 14:30 | Vladyslav Manafov v Alen Bill | 6-3,6-2 |
| UTR Pro Tennis Series Zadar | 2021/11/15 10:30 | Vladyslav Manafov v Ivan Mikhaylyuk | 6-0,3-6,6-1 |
| ITF M25 Nur-Sultan | 2021/10/27 05:00 | Vladyslav Manafov v Yan Sabanin | 2-6,4-6 |
| Challenger Barcelona | 2021/10/03 11:05 | Vladyslav Manafov v Yshai Oliel | 2-6,3-6 |
| Challenger Kyiv | 2021/09/05 12:15 | Vladyslav Manafov v Ivan Gakhov | 2-6,4-6 |