Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| WTA Tokyo Qual | 2016/09/10 02:00 | Erika Sema v Hiroko Kuwata | 6-3,6-3 |
| 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 Xinyun Han | 3-6,2-6 |
| WTA Anning | 2019/04/22 04:40 | Kai-Lin Zhang v Hiroko Kuwata | 7-6,6-3 |
| ITF W80 Dothan | 2019/04/16 18:50 | Hiroko Kuwata v Deniz Khazaniuk | 3-6,4-6 |
| WTA Bogota | 2019/04/10 15:30 | Hiroko Kuwata v Sachia Vickery | 4-6,2-6 |
| WTA Bogota | 2019/04/07 17:25 | Hiroko Kuwata v Chloe Paquet | 6-3,1-6,5-7 |
| ITF W25 Jakarta | 2019/06/19 02:00 | Erika Sema v Punnin Kovapitukted | 6-1,6-0 |
| ITF W25 Wuhan | 2019/05/17 02:30 | Erika Sema v Jing-Jing Lu | 3-6,3-6 |
| ITF W25 Wuhan | 2019/05/16 03:00 | Erika Sema v Shuo Feng | 7-5,6-1 |
| ITF W25 Wuhan | 2019/05/15 02:00 | Erika Sema v Xu Liu Sun | 7-6,6-2 |
| ITF W60 Luan | 2019/05/07 05:55 | Peangtarn Plipuech v Erika Sema | 7-5,6-2 |
| ITF W80 Gifu | 2019/04/29 05:45 | Naomi Broady v Erika Sema | 7-6,6-2 |
| ITF W80 Gifu | 2019/04/29 02:50 | Erika Sema v Su Jeong Jang | 6-0,6-2 |
| ITF W25 Osaka | 2019/04/12 02:30 | Erika Sema v Na-Lae Han | 0-6,4-6 |