Stadium: Court 14 Round: 62 Ground: Synthetic outdoor
| ITF Women Kyoto | 2018/09/06 01:00 | Michika Ozeki v Kezuka, Chie | 6-0,6-4 |
| ITF Women Kyoto | 2018/09/04 09:25 | Takayama, Chihiro v Kezuka, Chie | 5-7,7-6,3-6 |
| ITF Women Kyoto | 2018/09/03 01:00 | Ayaka Ozeki v Kezuka, Chie | 6-3,5-7,6-3 |
| ITF Women Prokuplje Qual | 2018/07/01 07:00 | Njiric, Silvia v Kezuka, Chie | 7-6,6-1 |
| ITF Women Prokuplje Qual | 2018/06/30 09:00 | Sabljarevic, Sofia v Kezuka, Chie | 1-6,1-6 |
| ITF Women Karuizawa Qual | 2018/05/20 04:00 | Kezuka, Chie v Reina Takahashi | 6-3,1-6,3-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 04:00 | Kezuka, Chie v Takahata, Kotomi | 4-6,5-7 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/19 01:00 | Miyamoto, Ayumi v Kezuka, Chie | 6-1,6-0 |
| ITF Women Stockton | 2018/10/02 19:55 | Ena Shibahara v Sadikovic, Amra | 2-6,4-6 |
| ITF Women Stockton | 2018/10/01 19:45 | Mai Hontama v Ena Shibahara | 2-6,1-6 |
| ITF Women Stockton | 2018/09/30 21:30 | Giuliana Olmos v Ena Shibahara | 7-5,5-7,0-6 |
| ITF Women Landisville Qual | 2018/08/05 19:00 | Kimberly Birrell v Ena Shibahara | 6-0,6-4 |
| ITF Women Lexington Qual | 2018/07/31 13:00 | Shaffer, Kennedy v Ena Shibahara | 6-4,6-2 |
| ITF Women Lexington Qual | 2018/07/30 15:55 | Ena Shibahara v Elbaba, Julia | 4-6,6-3,6-2 |
| ITF Women Lexington Qual | 2018/07/29 15:10 | Abrams, Sophie v Ena Shibahara | 3-6,4-6 |
| ITF Women Ashland Qual | 2018/07/22 16:00 | Ena Shibahara v Emily Fanning | 6-4,3-6,4-6 |