Stadium: Court 4 Round: 45 Ground: Hardcourt outdoor
| ITF W25 Yokohama | 2019/03/04 08:05 | Risa Ushijima v Erika Sema | 6-4,2-6,12-10 |
| ITF W60 Launceston | 2019/01/28 04:25 | Risa Ushijima v Erika Sema | 2-6,2-6 |
| ITF Women Nishi-Tama | 2017/03/23 03:20 | Risa Ushijima v Erika Sema | 6-4,2-6,1-6 |
| ITF W25 Kofu | 2019/03/25 00:30 | Ji-Hee Choi v Erika Sema | 6-3,6-0 |
| ITF W25 Kofu | 2019/03/20 01:00 | Giulia Gatto Monticone v Erika Sema | 2-6,7-5,6-4 |
| ITF W25 Nishi-Tama | 2019/03/12 02:35 | Erika Sema v Emina Bektas | 4-6,6-3,3-10 |
| ITF W25 Nishi-Tama | 2019/03/11 06:00 | Erika Sema v Michika Ozeki | 6-1,6-1 |
| ITF W25 Yokohama | 2019/03/04 08:05 | Risa Ushijima v Erika Sema | 6-4,2-6,12-10 |
| ITF W25 Osaka | 2019/02/25 01:00 | Erika Sema v Rutuja Bhosale | 6-1,3-6,3-10 |
| ITF W60 Kyoto | 2019/02/18 05:40 | Megumi Nishimoto v Erika Sema | 6-3,6-4 |
| ITF W60 Launceston | 2019/01/28 07:00 | Maddison Inglis v Erika Sema | 6-3,1-6,10-5 |
| ITF W25 Nishi-Tama | 2019/03/11 06:00 | Risa Ushijima v Emina Bektas | 3-6,4-6 |
| ITF W25 Yokohama | 2019/03/06 02:45 | Kyoka Okamura v Risa Ushijima | 7-5,6-2 |
| ITF W25 Yokohama | 2019/03/05 01:30 | Rutuja Bhosale v Risa Ushijima | 6-7,1-6 |
| ITF W25 Yokohama | 2019/03/04 08:05 | Risa Ushijima v Erika Sema | 6-4,2-6,12-10 |
| ITF W25 Osaka | 2019/02/27 05:55 | Risa Ushijima v Su Jeong Jang | 1-6,4-6 |
| ITF W60 Kyoto | 2019/02/18 01:00 | Dasha Lopatetskaya v Risa Ushijima | 6-3,6-1 |
| ITF W60 Launceston | 2019/01/28 04:25 | Risa Ushijima v Erika Sema | 2-6,2-6 |
| ITF W60 Burnie | 2019/01/21 00:15 | Risa Ushijima v Maddison Inglis | 4-6,1-6 |