Stadium: Court 7 Round: 44
| ITF Women Kashiwa Qual | 2017/04/02 04:00 | Kotomi Takahata v Seung-Yeon Hong | 6-4,6-3 |
| ITF Women Toyota Qual | 2017/11/12 01:40 | Megumi Nishimoto v Kotomi Takahata | 6-3,2-6,6-3 |
| ITF Women Makinohara | 2017/10/11 00:30 | Kotomi Takahata v Naomi Cheong | 0-6,1-6 |
| WTA Dalian Qual | 2017/09/03 06:10 | Hiroko Kuwata v Kotomi Takahata | 6-2,6-0 |
| ITF Women Dunakeszi Qual | 2017/08/26 10:20 | Kotomi Takahata v Sabrina Santamaria | 3-6,2-6 |
| ITF Women Artvin Qual | 2017/08/20 07:00 | Gozal Ainitdinova v Kotomi Takahata | 7-6,6-1 |
| ITF Women Artvin Qual | 2017/08/19 08:00 | Mirabelle Njoze v Kotomi Takahata | 1-6,1-6 |
| ITF Women Anning | 2017/07/04 01:30 | Kotomi Takahata v Jiaying He | 6-7,0-6 |
| ITF Women Anning | 2017/06/28 03:00 | Yixuan Li v Kotomi Takahata | 6-4,6-3 |
| ITF Women Yeongwol | 2017/09/09 02:00 | Seung-Yeon Hong v Na Ri Kim | 2-6,0-6 |
| ITF Women Yeongwol | 2017/09/07 03:40 | Seung-Yeon Hong v You-Na Sul | 6-1,6-4 |
| ITF Women Yeongwol | 2017/09/05 02:00 | Seung-Yeon Hong v Alexandra Walters | 6-1,6-0 |
| ITF Women Gimcheon | 2017/06/16 02:00 | Seung-Yeon Hong v Sung-Hee Han | 6-4,1-6,5-7 |
| ITF Women Gimcheon | 2017/06/15 03:15 | Seung-Yeon Hong v Hyojung Yea | 6-0,6-3 |
| ITF Women Gimcheon | 2017/06/13 01:00 | Seung-Yeon Hong v Yeong Won Jeong | 5-7,6-4,7-5 |
| ITF Women Gimcheon | 2017/06/08 01:00 | Suzy Larkin v Seung-Yeon Hong | 7-5,6-3 |
| ITF Women Gimcheon | 2017/06/07 01:00 | Se-Hyun Kim v Seung-Yeon Hong | 5-7,4-6 |