Stadium: Court 8 Round: 45
| ITF Women Nishi-Tama | 2017/03/23 03:20 | Risa Ushijima v Erika Sema | 6-4,2-6,1-6 |
| ITF W60 Burnie | 2019/01/21 00:15 | Risa Ushijima v Maddison Inglis | 4-6,1-6 |
| ITF W25 Singapore | 2019/01/14 02:00 | Risa Ushijima v Victoria Rodriguez | 4-6,5-7 |
| ITF Women Hamamatsu | 2018/10/18 03:30 | Risa Ushijima v Mei Yamaguchi | 1-6,1-6 |
| ITF Women Hamamatsu | 2018/10/17 01:00 | Risa Ushijima v Michika Ozeki | 6-3,2-6,6-3 |
| ITF Women Nanao | 2018/08/30 03:00 | Risa Ushijima v Himeno Sakatsume | 3-6,5-7 |
| ITF Women Nanao | 2018/08/29 06:05 | Momoko Kobori v Risa Ushijima | 5-7,2-6 |
| ITF Women Nanao | 2018/08/27 04:20 | Risa Ushijima v Ange Oby Kajuru | 7-5,6-2 |
| ITF Women Nanao | 2018/08/26 06:00 | Risa Ushijima v Michiru Furuya | 4-6,6-2,6-4 |
| ITF W25 Singapore | 2019/01/22 02:00 | Aldila Sutjiadi v Erika Sema | 6-0,6-4 |
| ITF W25 Singapore | 2019/01/21 02:00 | Paige Mary Hourigan v Erika Sema | 2-6,7-5,6-10 |
| ITF W25 Singapore | 2019/01/14 02:00 | Erika Sema v Junri Namigata | 6-3,5-7,7-10 |
| ITF W25 Hong Kong | 2019/01/07 02:00 | Sofia Shapatava v Erika Sema | 6-2,2-6,10-8 |
| Australian Open Women WC Qual | 2018/11/27 02:00 | Erika Sema v Kai-Chen Chang | 2-6,7-6,1-6 |
| ITF Women Nanning | 2018/10/25 03:25 | Erika Sema v Julia Glushko | 1-6,1-6 |
| ITF Women Nanning | 2018/10/22 05:40 | Ao Gai v Erika Sema | 1-6,6-3,1-6 |
| ITF Women Darwin | 2018/09/25 04:50 | Shilin Xu v Erika Sema | 6-2,7-6 |