Home History
| ITF Women Goyang | 2017/05/26 01:00 | Mari Osaka v Masa Jovanovic | 6-3,6-3 |
| ITF Women Goyang | 2017/05/25 01:00 | Mari Osaka v Samantha Murray | 2-6,6-1,6-0 |
| ITF Women Goyang | 2017/05/24 03:45 | Deniz Khazaniuk v Mari Osaka | 1-6,4-6 |
| ITF Women Incheon | 2017/05/17 03:30 | Mari Osaka v Danielle Lao | 4-6,0-6 |
| ITF Women Changwon | 2017/05/11 01:00 | Seung-Yeon Hong v Mari Osaka | 7-5,6-2 |
| ITF Women Irapuato | 2017/04/15 00:40 | Mari Osaka v Michaela Honcova | 4-6,6-7 |
| ITF Women Irapuato | 2017/04/15 00:37 | Mari Osaka v Michaela Honcova | 4-6,6-7 |
| ITF Women Irapuato | 2017/04/13 18:00 | Jovana Jaksic v Mari Osaka | 6-4,2-6,5-7 |
Away History
| ITF Women Goyang | 2017/05/25 02:40 | Seung-Yeon Hong v Haruka Kaji | 6-0,3-6,5-7 |
| ITF Women Goyang | 2017/05/23 02:35 | Haruka Kaji v Sunam Jeong | 7-5,6-3 |
| ITF Women Incheon | 2017/05/17 02:00 | Ya-Hsuan Lee v Haruka Kaji | 6-0,6-2 |
| ITF Women Incheon Qual | 2017/05/16 04:20 | Haruka Kaji v Eun Ji Lee | 6-0,6-3 |
| ITF Women Hua Hin | 2017/05/10 07:50 | Haruka Kaji v Michaela Haet | 2-6,6-3,1-6 |
| ITF Women Hua Hin | 2017/05/09 03:00 | Alicia Barnett v Haruka Kaji | 3-6,1-6 |
| ITF Women Hua Hin Qual | 2017/05/07 03:00 | Haruka Kaji v Si Qi Liu | 6-2,7-5 |
| ITF Women Hua Hin Qual | 2017/05/06 03:00 | Haruka Kaji v Michiru Furuya | 6-3,5-7,6-1 |