Stadium: Court 6 Round: 62 Ground: Clay
| ITF W15 Bratislava | 2021/08/09 10:00 | Lara Schmidt v Natalie Augustinova | 6-1,6-0 |
| ITF W25 Bydhošť | 2021/08/01 08:00 | Mika D Fruchtman v Natalie Augustinova | 6-2,6-1 |
| ITF W60 Olomouc | 2021/07/18 08:00 | Natalie Augustinova v Barbora Pokorna | 3-6,7-5,9-11 |
| ITF W15 Banja Luka | 2021/05/31 11:00 | Natalie Augustinova v Andjela Lopicic | 6-0,2-6,8-10 |
| ITF W15 Šibenik | 2021/05/24 14:10 | Natalie Augustinova v Enola Chiesa | 2-6,0-6 |
| ITF W15 Šibenik | 2021/05/23 12:00 | Zoe Richard v Natalie Augustinova | 6-4,1-6,6-10 |
| ITF W15 Šibenik | 2021/05/16 07:30 | Ema Bubalo v Natalie Augustinova | 7-6,6-1 |
| ITF W15 - Antalya | 2021/05/02 10:00 | Natalie Augustinova v Maria Petrovic | 7-6,5-7,5-10 |
| ITF W25 Kyjev | 2021/07/22 09:50 | Anastasiya Konstantinovna Soboleva v Andrea Gamiz | 3-6,6-1,6-3 |
| ITF W25 Kyjev | 2021/07/21 10:35 | Lena Ruppert v Anastasiya Konstantinovna Soboleva | 6-3,3-6,2-6 |
| ITF W25 Vratislav | 2021/06/30 12:10 | Anastasiya Konstantinovna Soboleva v Diana Marcinkevica | 6-4,5-7,3-6 |
| ITF W25 Vratislav | 2021/06/29 13:20 | Anastasiya Konstantinovna Soboleva v Valeriya Olyanovskaya | 6-1,6-1 |
| ITF W25 Vratislav | 2021/06/28 08:00 | Anastasiya Konstantinovna Soboleva v Anna Ozerova | 6-1,6-1 |
| ITF W25 Vratislav | 2021/06/27 09:30 | Anastasiya Konstantinovna Soboleva v Weronika Jasmina Forys | 6-2,6-1 |
| ITF W15 Šymkent | 2021/06/06 04:00 | Anastasiya Konstantinovna Soboleva v Valeriya Olyanovskaya | 6-4,7-6 |
| ITF W15 Šymkent | 2021/06/05 05:00 | Mariam Dalakishvili v Anastasiya Konstantinovna Soboleva | 1-6,2-6 |