Stadium: Court 8 Round: 54 Ground: Hardcourt outdoor
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/25 02:00 | Matsuda, Erika v Yue Yuan | 2-6,4-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/18 03:00 | Kanako Morisaki v Matsuda, Erika | 6-1,6-4 |
| ITF W25 Santa Margherita | 2019/04/15 08:00 | Naoko Eto v Ene, Cristina | 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 |
| WTA - Mumbaï | 2018/10/27 06:50 | Tereza Martincova v Naoko Eto | 6-0,6-0 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/10/14 12:00 | Naoko Eto v Stephanie Wagner | 0-6,1-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/10/09 08:00 | Naoko Eto v Chiara Scholl | 3-6,0-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/09/30 08:00 | Ma, Shuyue v Naoko Eto | 6-0,7-5 |
| ITF Women Kyoto | 2018/09/04 01:00 | Okuno, Ayaka v Naoko Eto | 6-2,6-0 |