Stadium: A12 Round: 26 Ground: Synthetic outdoor
| ITF W25 Nonthaburi WD | 2019/07/30 08:45 | Parnaby/Yang v Koshiishi/Sakatsume | 7-5,7-5 |
| ITF W25 Daegu WD | 2019/06/04 07:00 | Choi/Han v Koshiishi/Sakatsume | 7-6,6-1 |
| ITF W15 Xiamen WD | 2019/03/19 08:20 | Koshiishi/Sakatsume v Guo/Lu | 3-6,0-6 |