Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF W60 Kyoto | 2022/12/19 08:20 | Chihiro Takayama v Ramu Ueda | 4-6,6-1,11-13 |
| ITF W60 Kyoto | 2022/12/19 03:00 | Aoi Ito v Chihiro Takayama | 6-3,6-7,8-10 |
| ITF W25 Hua Hin | 2022/10/03 11:20 | Zongyu Li v Chihiro Takayama | 6-4,6-1 |
| ITF W25 Hua Hin | 2022/10/02 06:00 | Rada Manataweewat v Chihiro Takayama | 2-6,4-6 |
| ITF W25 Santarem | 2022/09/05 09:00 | Hiroko Kuwata v Chihiro Takayama | 3-6,6-3,10-6 |
| ITF W25 Leiria | 2022/08/31 14:50 | Chihiro Takayama v Amy Zhu | 3-6,3-6 |
| ITF W25 Leiria | 2022/08/29 13:10 | Kathleen Kanev v Chihiro Takayama | 3-6,6-2,10-4 |
| ITF W25 Leiria | 2022/08/28 15:30 | Andra Sutherland v Chihiro Takayama | 1-6,0-6 |
| ITF W15 Kuching | 2023/02/28 05:40 | Riko Hiroshima v Xiaoyan Xue | 5-7,7-6,10-8 |
| ITF W15 Kuching | 2023/02/26 06:30 | Snehal Mane v Riko Hiroshima | 3-6,2-6 |
| ITF W15 Kuala Lumpur | 2023/02/19 03:00 | Riko Hiroshima v Fitriani Sabatini | 2-6,3-6 |
| ITF W15 Ipoh | 2023/02/13 03:00 | Kanako Osafune v Riko Hiroshima | 7-5,2-6,10-6 |
| UTR Pro Tennis Series Miki Women | 2022/12/17 00:30 | Kurumi Tamura v Riko Hiroshima | 6-4,7-5 |
| UTR Pro Tennis Series Miki Women | 2022/12/16 00:30 | Riko Hiroshima v Honoka Uchiyama | 6-3,5-1 |
| UTR Pro Tennis Series Miki Women | 2022/12/14 02:00 | Riko Hiroshima v Risa Ushijima | 1-6,1-6 |