Stadium: Court 4 Round: 44
| ITF Women Sangju Qual | 2018/06/04 03:30 | Chihiro Takayama v Hyojung Yea | 2-6,1-6 |
| ITF Women Karuizawa Qual | 2018/05/21 02:55 | Yukina Saigo v Chihiro Takayama | 6-1,6-1 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Ari Matsumoto v Chihiro Takayama | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 09:35 | Chihiro Takayama v Tori Kinard | 2-6,7-5,6-3 |
| ITF Women Fukuoka Qual | 2018/05/06 02:20 | Aiko Yoshitomi v Chihiro Takayama | 6-2,6-3 |
| ITF Women Osaka Qual | 2018/04/07 05:30 | Chihiro Takayama v Ayumi Miyamoto | 2-6,4-6 |
| ITF Women Kofu Qual | 2018/03/24 00:30 | Ksenia Lykina v Chihiro Takayama | 7-6,6-3 |
| ITF Women Nishi-Tama | 2018/03/19 01:00 | So-Ra Lee v Chihiro Takayama | 6-3,7-5 |
| ITF Women Gyeongsan Qual | 2018/06/10 02:00 | Ah Song v Nagomi Higashitani | 7-5,4-6,7-5 |
| ITF Women Sangju | 2018/06/06 01:00 | Ah Song v Ju-Eun Kim | 4-6,2-6 |
| ITF Women Incheon Qual | 2018/05/14 02:00 | Varvara Flink v Ah Song | 6-1,6-0 |
| ITF Women Incheon Qual | 2018/05/13 03:30 | Ah Song v Yubean Lee | 6-4,1-6,6-1 |
| ITF Women Goyang Qual | 2018/05/07 02:30 | Yexin Ma v Ah Song | 6-3,3-6,6-0 |
| ITF Women Yeongwol | 2017/08/28 01:00 | Jeongyun Lee v Ah Song | 6-1,6-2 |
| ITF Women Yeongwol | 2017/08/27 01:00 | Eun Ji Lee v Ah Song | 4-6,5-7 |
| ITF Women Yeongwol | 2016/08/30 02:00 | Da Hye Kim v Ah Song | 6-7,6-4,6-3 |