Stadion: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF Damen - W15 - Xiamen | 2019/03/20 02:00 | Ayumi Koshiishi v Ashmitha Easwaramurthi | 6-0,6-1 |
| ITF Frauen - W15 - Shymkent | 2019/02/21 08:20 | Ayumi Koshiishi v Anastasia Zakharova | 4-6,4-6 |
| ITF Frauen - W15 - Shymkent | 2019/02/20 05:00 | Ayumi Koshiishi v Anastasia Astakhova | 6-2,6-4 |
| ITF Frauen - W15 - Shymkent | 2019/02/13 10:55 | Sadafmoh Tolibova v Ayumi Koshiishi | 4-6,6-1,6-1 |
| ITF Damen - W15 - Palmanova | 2019/02/07 09:30 | Daniella Medvedeva v Ayumi Koshiishi | 6-3,6-1 |
| ITF Damen - W15 - Palmanova | 2019/02/05 08:30 | Isabel A Gallego v Ayumi Koshiishi | 1-6,2-6 |
| ITF Frauen - W15 - Manacor | 2019/01/31 09:00 | Claudia Hoste Ferrer v Ayumi Koshiishi | 6-0,6-2 |
| ITF Frauen - W15 - Manacor | 2019/01/29 09:00 | Jazmin Ortenzi v Ayumi Koshiishi | 5-7,6-4,2-6 |
| ITF Damen - W15 - Xiamen | 2019/03/20 05:05 | Qianhui Tang v Zhenghua Xiao | 6-4,6-2 |
| ITF Damen - W60 - Shenzhen | 2019/03/11 05:20 | Xiaodi You v Qianhui Tang | 6-0,6-4 |
| ITF Damen - W15 - Nanchang | 2019/03/07 02:00 | Wushuang Zheng v Qianhui Tang | 6-4,6-3 |
| ITF Damen - W15 - Nanchang | 2019/03/05 07:40 | Qianhui Tang v Zhima Du | 6-0,6-2 |
| ITF Damen - W15 - Nanchang | 2019/02/26 06:00 | Sohyun Park v Qianhui Tang | 6-0,6-4 |
| ITF Damen - Suzhou | 2018/10/15 02:00 | Hiroko Kuwata v Qianhui Tang | 6-1,6-3 |
| ITF Damen - Suzhou | 2018/10/14 02:00 | WanNing Zhu v Qianhui Tang | 2-6,1-6 |
| ITF Damen - Guiyang | 2018/08/13 02:00 | I-Hsuan Cho v Qianhui Tang | 6-2,6-4 |