| UTR Pro Tennis Series Barcelona Women | 2021/02/09 09:30 | Oleksandra Oliynykova v Oksana Selekhmeteva | 4-6,2-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/04/13 12:00 | Oleksandra Oliynykova v Lou Adler | 6-0,7-5 |
| UTR Pro Tennis Series Barcelona Women | 2021/04/12 14:00 | Oleksandra Oliynykova v Agustina Chlpac | 6-4,4-6,3-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/02/21 09:30 | Carlota Martinez Cirez v Oleksandra Oliynykova | 7-5,5-2 |
| UTR Pro Tennis Series Barcelona Women | 2021/02/20 12:30 | Daniella Dimitrova v Oleksandra Oliynykova | 5-7,0-3 |
| UTR Pro Tennis Series Barcelona Women | 2021/02/19 12:00 | Aneta Laboutkova v Oleksandra Oliynykova | 6-0,6-4 |
| UTR Pro Tennis Series Barcelona Women | 2021/02/18 09:00 | Esther Lopez v Oleksandra Oliynykova | 3-6,2-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/02/17 13:15 | Rosa Vicens Mas v Oleksandra Oliynykova | 7-6,6-3 |
| UTR Pro Tennis Series Barcelona Women | 2021/02/15 13:30 | Alba Carrillo Marin v Oleksandra Oliynykova | 2-6,1-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/04/13 09:00 | Agustina Chlpac v Oksana Selekhmeteva | 2-6,2-6 |
| ITF W25 Dubai | 2021/03/28 06:25 | Humera Baharmus v Oksana Selekhmeteva | 6-1,3-6,10-4 |
| ITF W15 Manacor | 2021/03/11 11:20 | Marina Bassols Ribera v Oksana Selekhmeteva | 6-3,6-4 |
| ITF W15 Manacor | 2021/03/10 09:30 | Oksana Selekhmeteva v Gloria Alogo Piqueras | 6-2,6-1 |
| ITF W25 Manacor | 2021/03/04 09:00 | Federica Di Sarra v Oksana Selekhmeteva | 6-3,6-4 |
| ITF W25 Manacor | 2021/03/03 13:00 | Oksana Selekhmeteva v Eva Guerrero Alvarez | 6-1,6-3 |
| ITF W25 Manacor | 2021/03/02 09:50 | Anna Zaja v Oksana Selekhmeteva | 2-6,2-6 |
| ITF W25 Manacor | 2021/02/28 11:00 | Marta Custic v Oksana Selekhmeteva | 6-7,2-6 |