Stadium: Court 2 Round: 25 Ground: Clay
| ITF W15 Tampere | 2019/07/24 10:30 | Maria Lota Kaul v Naoko Eto | 6-1,6-3 |
| ITF - W15 Alkmaar | 2019/06/25 11:00 | Katharina Hering v Naoko Eto | 6-0,6-0 |
| ITF W15 Gimcheon | 2019/06/11 05:15 | Naoko Eto v Shiori Fukuda | 2-6,0-6 |
| ITF - W25 Karuizawa | 2019/05/20 01:00 | Erika Matsuda v Naoko Eto | 6-1,6-4 |
| ITF W25 Singapore | 2019/05/13 02:00 | Erika Matsuda v Naoko Eto | 6-3,6-1 |
| ITF - W25 Santa Margherita | 2019/04/15 08:00 | Naoko Eto v Cristina Ene | 0-6,2-6 |
| ITF - W25 Santa Margherita | 2019/04/08 12:00 | Miriam Bulgaru v Naoko Eto | 6-3,6-1 |
| ITF - W25 Santa Margherita | 2019/04/03 12:00 | Naoko Eto v Jessica Pieri | 1-6,0-6 |