Stadium: Center Round: 25 Ground: Hardcourt outdoor
| ITF - W25 Kofu | 2019/03/27 02:35 | Funa Kozaki v Arina Rodionova | 1-6,4-6 |
| ITF Women Kofu Qual | 2018/06/09 04:00 | Ayumi Miyamoto v Funa Kozaki | 6-2,6-2 |
| ITF Women Changwon Qual | 2018/05/20 02:00 | So-Ra Lee v Funa Kozaki | 6-3,6-2 |
| ITF Women Toyota | 2018/03/14 05:00 | Katherine Sebov v Funa Kozaki | 6-3,6-3 |
| ITF Women Toyota Qual | 2017/11/12 05:50 | Funa Kozaki v Ayumi Miyamoto | 1-6,0-6 |
| ITF Women Kyoto | 2017/09/05 04:15 | Funa Kozaki v Michika Ozeki | 2-6,1-6 |
| ITF Women Kyoto | 2017/09/04 01:00 | Maria Patrascu v Funa Kozaki | 6-1,2-6,4-6 |
| ITF Women Kyoto | 2017/09/02 01:00 | Funa Kozaki v Ran Miyachi | 6-3,6-3 |
| ITF W25 Kashiwa | 2019/04/05 03:20 | Mayo Hibi v Rebecca Marino | 4-6,4-6 |
| ITF W25 Kashiwa | 2019/04/04 04:05 | Mayo Hibi v Erika Sema | 6-0,7-5 |
| ITF W25 Kashiwa | 2019/04/02 03:20 | Momoko Kobori v Mayo Hibi | 2-6,2-6 |
| ITF - W25 Kofu | 2019/03/30 01:00 | Mayo Hibi v Giulia Gatto Monticone | 6-3,5-7,3-6 |
| ITF - W25 Kofu | 2019/03/29 03:30 | Mayo Hibi v Arina Rodionova | 6-0,6-1 |
| ITF - W25 Kofu | 2019/03/28 02:50 | Stephanie Wagner v Mayo Hibi | 2-6,1-6 |
| ITF - W25 Kofu | 2019/03/27 03:20 | Mio Kozaki v Mayo Hibi | 0-6,0-6 |
| ITF - W25 Kofu | 2019/03/22 01:00 | Mayo Hibi v Stephanie Wagner | 6-1,3-6,2-6 |