| ITF Women Hamamatsu | 10/19 04:00 | 25 | Nozomi Fujioka v Yurina Koshino | 6-2,6-7,7-5 | |
| ITF Women Hamamatsu Qual | 10/17 02:30 | 62 | Yurina Koshino v Chihiro Takayama | 3-6,4-6 | |
| ITF Women Makinohara Qual | 10/10 00:30 | 54 | Yurina Koshino v Kei Kato | 2-6,1-6 | |
| ITF Women Kyoto | 09/07 02:50 | 26 | Hirono Watanabe v Yurina Koshino | 6-4,6-2 | |
| ITF Women Kyoto | 09/06 01:00 | 25 | Ramu Ueda v Yurina Koshino | 1-6,3-6 | |
| Challenger Kaohsiung | 06/15 05:50 | 25 | Yurina Koshino v Nozomi Fujioka | 4-6,2-6 | |
| Challenger Kaohsiung | 06/24 01:00 | - | Yurina Koshino v Haruka Kaji | Retired |