| Kofu, Singles Qualifying W-WITF-JPN-02A | 06/11 00:00 | 62 | Shimizu, Chinatsu v 코자키, 푸나 | 6-3,6-2 | |
| ITF Women Karuizawa Qual | 05/20 01:00 | 44 | 코자키, 푸나 v Takahashi, Reina | 3-6,4-6 | |
| Iizuka, Singles W-C25-JPN-07A | 09/27 01:00 | 25 | Hisami, Kanae v 코자키, 푸나 | 6-0,6-3 | |
| ITF Women Kyoto | 09/04 01:00 | 54 | 코자키, 푸나 v 히사마츠, 시호 | 4-6,7-6,6-7 |