Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Hengyang | 2019/06/12 06:30 | Xiaodi You v Siqi Cao | 5-7,6-4,6-3 |
| ITF W25 Shenzhen | 2019/06/04 03:35 | Siqi Cao v Qiu Yu Ye | 2-6,6-4,6-10 |
| ITF W25 Shenzhen | 2019/06/03 05:25 | Siqi Cao v Sarah Pang | 6-0,6-0 |
| ITF W25 Luzhou | 2019/05/28 05:30 | Fang Ying Xun v Siqi Cao | 2-6,6-2,6-4 |
| ITF W25 Wuhan | 2019/05/16 03:30 | Siqi Cao v Jing-Jing Lu | 1-6,0-6 |
| ITF W25 Wuhan | 2019/05/15 05:45 | Ziyi Yang v Siqi Cao | 1-6,0-6 |
| ITF W60 Luan | 2019/05/06 03:10 | Siqi Cao v Chengyiyi Yuan | 6-4,5-7,3-10 |
| ITF W15 Nanchang | 2019/03/09 03:00 | Siqi Cao v Dabin Kim | 1-6,4-6 |
| ITF W25 Jakarta | 2019/06/22 03:00 | Hiroko Kuwata v Risa Ozaki | 2-6,1-6 |
| ITF W25 Jakarta | 2019/06/21 02:00 | Hiroko Kuwata v Risa Ushijima | 6-3,4-6,7-6 |
| ITF W25 Jakarta | 2019/06/20 03:00 | Hiroko Kuwata v Erika Sema | 6-4,0-6,6-4 |
| ITF W25 Jakarta | 2019/06/19 03:20 | Hiroko Kuwata v Jessy Rompies | 6-2,1-6,7-5 |
| ITF W60 Kurume | 2019/05/15 02:35 | Hiroko Kuwata v Ena Shibahara | 7-5,0-6,2-6 |
| ITF W60 Fukuoka | 2019/05/08 02:55 | Leonie Kung v Hiroko Kuwata | 6-3,6-2 |
| ITF W80 Gifu | 2019/04/30 01:00 | Hiroko Kuwata v Xinyun Han | 3-6,2-6 |
| WTA Anning | 2019/04/22 04:40 | Kai-Lin Zhang v Hiroko Kuwata | 7-6,6-3 |