Round: 26 Ground: Hardcourt outdoor
| ITF Women Hong Kong | 2017/12/25 02:00 | Hiroko Kuwata v Yexin Ma | 6-0,7-6 |
| ITF Women Navi Mumbai | 2017/12/18 12:30 | Hiroko Kuwata v Diana Marcinkevica | 3-6,0-6 |
| Open d'Australie Asie-Pacifique Wildcard Playoff | 2017/11/30 02:00 | Hiroko Kuwata v Sun, Xu Liu | 7-5,3-6,2-6 |
| WTA - Mumbaï | 2017/11/20 11:20 | Hiroko Kuwata v Fanny Stollar | 4-6,3-6 |
| WTA Mumbai Qual | 2017/11/19 06:00 | Hiroko Kuwata v Morgina, Anna | 7-5,6-4 |
| WTA Mumbai Qual | 2017/11/18 08:25 | Hiroko Kuwata v Naoko Eto | 6-0,6-0 |
| Taipei, Chinese Taipei, Qualifying | 2017/11/12 06:30 | Cako, Jacqueline v Hiroko Kuwata | 3-6,6-2,6-3 |
| WTA Hua Hin Qual | 2017/11/04 04:50 | Giuliana Olmos v Hiroko Kuwata | 6-3,6-2 |
| ITF Women Hong Kong | 2017/12/26 02:00 | Ushijima, Risa v You, Mi Zhuoma | 6-3,4-6,7-6 |
| ITF Women Tokyo Qual | 2017/11/04 04:20 | Haruna Arakawa v Ushijima, Risa | 6-4,6-4 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/24 04:00 | Tan, Stefanie v Ushijima, Risa | 5-7,6-3,6-4 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/20 03:15 | Thamchaiwat, B. v Ushijima, Risa | 6-1,7-5 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/19 03:00 | Michika Ozeki v Ushijima, Risa | 1-6,6-7 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/18 06:30 | Ksenia Laskutova v Ushijima, Risa | 2-6,2-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/12 06:00 | Ushijima, Risa v Alexandra Bozovic | 4-6,6-4,5-7 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/11 03:00 | Ushijima, Risa v Yoshitomi, Aiko | 7-5,6-1 |