| UTR Pro Tennis Series - Říčany - Dames | 2021/06/28 13:00 | Oleksandra Oliynykova v Ruxandra Schech | 7-5,5-4 |
| ITF - W15 Sibenik | 2021/05/21 09:25 | Johana Markova v Oleksandra Oliynykova | 6-2,4-6,6-4 |
| ITF - W15 Sibenik | 2021/05/20 11:40 | Antonia Ruzic v Oleksandra Oliynykova | 4-6,5-7 |
| ITF - W15 Sibenik | 2021/05/19 14:15 | Oleksandra Oliynykova v Anna Zaja | 4-6,6-3,6-3 |
| ITF - W15 Sibenik | 2021/05/18 07:55 | Oleksandra Oliynykova v Diana Martynov | 6-0,6-4 |
| ITF - W15 Sibenik | 2021/05/17 09:25 | Oleksandra Oliynykova v Andjela Jocovic | 6-4,6-1 |
| ITF - W15 Sibenik | 2021/05/16 07:30 | Oleksandra Oliynykova v Sylvie Zund | 6-0,6-4 |
| ITF W25 - Oeiras | 2021/04/27 15:10 | Carol Zhao v Oleksandra Oliynykova | 7-5,6-2 |
| UTR Pro Tennis Series - Říčany - Dames | 2021/06/28 11:47 | Nelly Knezkova v Denisa Pospisilova | 6-0,5-1 |
| UTR Pro Tennis Series - Říčany - Dames | 2021/06/26 10:00 | Nelly Knezkova v Ludmila Kareisova | 5-7,1-6 |
| UTR Pro Tennis Series - Říčany - Dames | 2021/06/24 08:00 | Karolina Kubanova v Nelly Knezkova | 3-4 |
| UTR Pro Tennis Series - Říčany - Dames | 2021/06/23 09:30 | Sarka Richterova v Nelly Knezkova | 6-4,6-5 |
| UTR Pro Tennis Series - Říčany - Dames | 2021/06/21 11:00 | Veronika Vlkovska v Nelly Knezkova | 7-5,5-2 |
| ITF - W15 Sibenik | 2021/05/25 09:40 | Mina Hodzic v Nelly Knezkova | 6-3,5-7,10-3 |
| ITF - W15 Sibenik | 2021/05/24 12:40 | Nelly Knezkova v Ingrid Vojcinakova | 6-0,6-3 |
| ITF - W15 Sibenik | 2021/05/23 10:30 | Nelly Knezkova v Ema Bolebruchova | 6-2,6-2 |