Estadio: Court 7 Round: 25 Ground: Clay
| 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 |
| ITF W25 Oeiras | 2021/04/27 09:00 | Oleksandra Oliynykova v Sinja Kraus | 7-5,6-2 |
| UTR Pro Tennis Series - Barcelona - Femenino | 2021/04/18 07:00 | Oleksandra Oliynykova v Pauline Courcoux | 7-6,6-3 |
| UTR Pro Tennis Series - Barcelona - Femenino | 2021/04/17 10:00 | Oleksandra Oliynykova v Daria Krasnova | 1-6,6-4,7-5 |
| UTR Pro Tennis Series - Barcelona - Femenino | 2021/04/15 11:00 | Oleksandra Oliynykova v Cheri Darley | 6-3,6-2 |
| WTA Stuttgart | 2021/04/17 16:00 | Stefanie Voegele v Anna Zaja | 6-1,6-3 |
| ITF W60 Oeiras | 2021/04/12 09:55 | Stephanie Wagner v Anna Zaja | 6-3,6-2 |
| ITF W60 Oeiras | 2021/04/11 11:25 | Olga Parres Azcoitia v Anna Zaja | 3-6,2-6 |
| ITF W60 Bellinzona | 2021/04/05 09:40 | Anna Zaja v Lina Gjorcheska | 5-7,2-6 |
| ITF W60 Bellinzona | 2021/04/04 13:30 | Anna Danilina v Anna Zaja | 4-6,2-6 |
| ITF W25 Manacor | 2021/03/02 09:50 | Anna Zaja v Oksana Selekhmeteva | 2-6,2-6 |
| ITF W25 Manacor | 2021/03/01 09:00 | Anna Zaja v Margarita Lazareva | 6-0,6-0 |
| DTB German Pro Series Femenino | 2020/07/26 12:05 | Anna Zaja v Tamara Korpatsch | 5-7,6-7 |