Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF Women Kofu Qual | 2018/06/09 04:00 | Ayumi Miyamoto v Funa Kozaki | 6-2,6-2 |
| ITF Women Toyota Qual | 2017/11/12 05:50 | Funa Kozaki v Ayumi Miyamoto | 1-6,0-6 |
| ITF W25 - Tainan | 2023/06/21 01:50 | Yu-Chin Tsai v Funa Kozaki | 6-4,6-4 |
| ITF W25 - Tainan | 2023/06/14 03:30 | Funa Kozaki v En Shuo Liang | 6-3,3-6,0-6 |
| ITF W25 - Tokyo | 2023/05/29 02:50 | Funa Kozaki v Yukina Saigo | 3-6,6-4,10-12 |
| ITF W25 - Tokyo | 2023/05/28 03:30 | Funa Kozaki v Kyoka Kubo | 6-4,6-2 |
| ITF W25 - Karuizawa | 2023/05/25 00:30 | Funa Kozaki v Nana Kawagishi | 3-6,4-6 |
| ITF W25 - Karuizawa | 2023/05/24 00:30 | Funa Kozaki v Kisa Yoshioka | 7-5,3-6,10-6 |
| ITF W60 - Kurume | 2023/05/15 06:00 | Funa Kozaki v Mao Mushika | 3-6,2-6 |
| ITF W60 - Fukuoka | 2023/05/08 00:50 | Akiko Omae v Funa Kozaki | 6-4,0-6,6-3 |
| ITF W15 - Sapporo | 2023/07/25 02:00 | Ayumi Miyamoto v Nagisa Morimoto | 6-2,6-2 |
| ITF W15 - Sapporo | 2023/07/24 01:00 | Ayumi Miyamoto v Reina Goto | 6-1,6-2 |
| ITF W15 - Kawaguchi | 2023/06/14 00:00 | Akiko Omae v Ayumi Miyamoto | 6-3,6-3 |
| ITF W15 - Kawaguchi | 2023/06/13 03:15 | Mei Hasegawa v Ayumi Miyamoto | 0-6,3-6 |
| ITF W15 - Kashiwa | 2023/06/06 01:00 | Kisa Yoshioka v Ayumi Miyamoto | 6-3,6-2 |
| ITF W15 - Kashiwa | 2023/06/05 01:00 | Yuka Matsumoto v Ayumi Miyamoto | 1-6,1-6 |
| ITF W15 - Lubbock | 2022/09/22 14:50 | Raquel G Vilar v Ayumi Miyamoto | 6-2,6-2 |
| ITF W15 - Lubbock | 2022/09/21 15:00 | Ayumi Miyamoto v Indianna Spink | 6-3,6-0 |