| ITF Women Rancho Santa Fe Qual | 2017/02/19 17:00 | Mari Osaka v Ashley Kratzer | 6-7,3-6 |
| ITF Women Surprise Qual | 2017/02/14 16:00 | Anastasia Potapova v Mari Osaka | 6-1,7-5 |
| ITF Women Surprise Qual | 2017/02/13 16:00 | Mari Osaka v Chanelle Van Nguyen | 6-4,6-3 |
| ITF Women Surprise Qual | 2017/02/12 16:00 | Steffi Carruthers v Mari Osaka | 4-6,2-6 |
| ITF Women Saint Martin | 2017/01/25 14:30 | Chieh-Yu Hsu v Mari Osaka | 6-4,7-5 |
| ITF Women Petit-Bourg | 2017/01/20 19:00 | Mayo Hibi v Mari Osaka | 5-7,6-4,6-1 |
| ITF Women Petit-Bourg | 2017/01/19 19:55 | Mari Osaka v Carol Zhao | 7-6,6-2 |
| ITF Women Petit-Bourg | 2017/01/18 15:00 | Sanaz Marand v Mari Osaka | 3-6,2-6 |
| ITF Women Clare Qual | 2017/02/26 23:30 | Pei-Chi Lee v Haruka Kaji | 5-7,6-7 |
| ITF Women Clare Qual | 2017/02/25 23:30 | Elyse Edwards v Haruka Kaji | 0-6,3-6 |
| ITF Women Perth | 2017/02/22 02:00 | Viktoria Hruncakova v Haruka Kaji | 3-6,7-6,6-2 |
| ITF Women Perth Qual | 2017/02/20 02:00 | Masa Jovanovic v Haruka Kaji | 6-4,7-5 |
| ITF Women Perth Qual | 2017/02/19 06:00 | Haruka Kaji v Miharu Imanishi | 1-6,6-2,6-3 |
| ITF Women Perth Qual | 2017/02/19 02:00 | Aiko Yoshitomi v Haruka Kaji | 2-6,0-6 |
| ITF Women Perth Qual | 2017/02/11 02:00 | Haruka Kaji v Catherine Harrison | 3-6,1-6 |
| ITF Women Toyota | 2016/11/16 08:55 | Haruka Kaji v Erika Sema | 7-5,2-6,4-6 |