Stadium: Court 3 Round: 25
| ITF Women Savitaipale | 2018/07/31 07:00 | Merel Hoedt v Naoko Eto | 6-2,6-4 |
| ITF Women Sandelfjord | 2018/07/24 09:00 | Naoko Eto v Giorgie Jones | 6-3,3-6,5-7 |
| ITF Women Hong Kong Qual | 2018/06/17 02:00 | Naoko Eto v Yan-Tung Ki | 3-6,1-6 |
| ITF Women Baotou Qual | 2018/05/20 02:30 | Naoko Eto v Mei Xu Wu | 1-6,0-6 |
| ITF Women Kurume Qual | 2018/05/13 00:30 | Chisa Hosonuma v Naoko Eto | 6-0,6-0 |
| ITF Women Fukuoka Qual | 2018/05/06 01:00 | Mina Miyahara v Naoko Eto | 6-0,6-2 |
| ITF Women Gifu Qual | 2018/04/29 02:55 | Naoko Eto v Abbie Myers | 0-6,0-6 |
| ITF Women Santa Margherita Qual | 2018/04/01 16:00 | Anastasia Grymalska v Naoko Eto | 6-0,6-0 |
| ITF Women Oldenzaal | 2018/08/12 07:30 | Margaux Orange v Victoria Kalaitzis | 6-2,6-2 |
| ITF Women Knokke | 2018/07/10 12:50 | Victoria Kalaitzis v Tiphanie Lemaitre | 3-6,4-6 |