Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF - W15 Monastir | 2021/02/15 11:00 | Naoko Eto v Sopiko Tsitskishvili | 6-2,7-5 |
| ITF - W15 Monastir | 2021/02/14 13:30 | Naoko Eto v Beatrice Laura Pirtac | 6-2,6-4 |
| ITF - W15 Monastir | 2021/02/10 08:30 | Naoko Eto v Linda Fruhvirtova | 0-6,0-6 |
| ITF - W15 Monastir | 2021/02/08 09:30 | Naoko Eto v Lina Hachem | 6-0,6-1 |
| ITF - W15 Monastir | 2021/02/03 09:45 | Naoko Eto v Zeel Desai | 0-6,0-6 |
| ITF - W25 Yokohama | 2020/03/03 01:00 | Naoko Eto v Ari Matsumoto | 1-6,2-6 |
| ITF - W15 Hamilton | 2020/02/12 01:20 | Emily Burns v Naoko Eto | 7-6,4-6,6-2 |
| WTA - Taipei | 2019/11/10 04:25 | Naoko Eto v Ya-Hsin Lee | 0-6,1-6 |