Stadium: Court 15 Round: 25 Ground: Hardcourt outdoor
| ITF - Oeiras W25 | 2021/04/28 10:00 | Hiroko Kuwata v Shalimar Talbi | 1-6,5-7 |
| ITF - Oeiras W25 | 2021/04/27 11:10 | Hiroko Kuwata v Verena Meliss | 7-5,6-4 |
| ITF - Antalya W15 | 2021/04/07 11:05 | Diana Demidova v Hiroko Kuwata | 6-1,6-2 |
| ITF - Antalya W15 | 2021/03/31 06:50 | Hiroko Kuwata v Noelia Zeballos | 3-6,7-6,3-6 |
| ITF - Antalya W15 | 2021/03/26 10:05 | Hiroko Kuwata v Melodie Collard | 5-7,5-7 |
| ITF - Antalya W15 | 2021/03/17 11:00 | Alexandra Vecic v Hiroko Kuwata | 6-0,6-4 |
| ITF - Antalya W15 | 2021/03/11 09:10 | Hiroko Kuwata v Polina Leykina | 5-7,1-6 |
| ITF - Antalya W15 | 2021/03/10 07:00 | Hiroko Kuwata v Nika Radisic | 6-3,3-6,6-1 |
| ITF Women Ramat Hasharon | 2021/05/04 07:00 | Julia Kimmelmann v Anna Ozerova | 3-6,3-6 |
| ITF - Bratysława W15 | 2021/03/23 09:00 | Anika Jaskova v Anna Ozerova | 6-3,6-4 |
| ITF - Bratysława W15 | 2021/03/22 09:00 | Anna Ozerova v Alina Michalitsch | 6-3,6-4 |
| ITF - Antalya W15 | 2021/03/07 07:00 | Anna Ozerova v Ani Vangelova | 0-6,4-6 |
| ITF - Villena W15 | 2021/02/07 11:00 | Mihaela Djakovic v Anna Ozerova | 3-6,6-0,10-8 |
| ITF - Manacor W15 | 2021/01/31 12:00 | Anna Ozerova v Sofia Milatova | 2-6,4-6 |
| ITF - Manacor W15 | 2021/01/26 10:00 | Ana L De La Nuez v Anna Ozerova | 6-4,6-4 |
| ITF - Manacor W15 | 2021/01/24 12:00 | Anna Ozerova v Lucie Petruzelova | 6-3,7-6 |