Stadium: Indoor 1 Round: 26 Ground: Hardcourt outdoor
| 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 W60 Launceston | 2019/01/28 04:25 | Risa Ushijima v Erika Sema | 2-6,2-6 |
| 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 |