Stadion: Court 3 Round: 26 Ground: Clay
| ITF Damen - W25 - Perigueux | 2021/06/21 11:20 | Polina Leykina v Amandine Monnot | 6-2,6-3 |
| ITF Damen - W25 - Denain | 2021/06/14 08:00 | Polina Leykina v Tina Nadine Smith | 3-6,3-6 |
| ITF Frauen - W15 - Antalya | 2021/05/15 07:30 | Polina Leykina v Cristina Dinu | 1-6,6-7 |
| ITF Frauen - W15 - Antalya | 2021/05/14 06:50 | Misaki Matsuda v Polina Leykina | 4-6,3-6 |
| ITF Frauen - W15 - Antalya | 2021/05/13 12:05 | Polina Leykina v Eszter Meri | 7-6,7-5 |
| ITF Frauen - W15 - Antalya | 2021/05/12 09:10 | Julita Saner v Polina Leykina | 1-6,6-3,0-6 |
| ITF Frauen - W15 - Antalya | 2021/05/09 07:30 | Julia Avdeeva v Polina Leykina | 1-6,0-6 |
| ITF Frauen - W15 - Antalya | 2021/05/08 07:30 | Polina Leykina v Misaki Matsuda | 5-7,6-2,6-2 |
| ITF Damen - W25 - Perigueux | 2021/06/22 13:50 | Anna Siskova v Cristiana Ferrando | 6-4,6-3 |
| ITF Damen - W60 - Stare Splavy | 2021/06/14 08:00 | Anna Siskova v Andreea Prisacariu | 4-6,6-3,8-10 |
| ITF Damen - W25 - Naples | 2021/05/05 20:55 | Katerina Stewart v Anna Siskova | 1-6,6-2,6-3 |
| ITF Damen - W25 - Naples | 2021/05/04 16:45 | Anna Siskova v Anastasia Sysoeva | 6-1,6-2 |
| ITF Damen - W25 - Naples | 2021/05/03 15:00 | Anna Siskova v Maribella Zamarripa | 6-2,6-2 |
| ITF Damen - W25 - Oeiras | 2021/04/27 11:00 | Ekaterina Makarova v Anna Siskova | 6-3,3-6,6-0 |
| ITF Frauen - W15 - Sharm El Sheikh | 2021/04/10 07:00 | Ya-Hsuan Lee v Anna Siskova | 0-6,6-2,6-4 |
| ITF Frauen - W15 - Sharm El Sheikh | 2021/04/09 08:35 | Paige Mary Hourigan v Anna Siskova | 1-6,6-4,2-6 |