Stadium: Court B3 Round: 25 Ground: Hardcourt outdoor
| 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 Kofu | 2019/03/20 03:55 | Gabriella Taylor v Nudnida Luangnam | 7-6,4-6,6-4 |
| ITF W25 Nishi-Tama | 2019/03/14 01:00 | Dejana Radanovic v Nudnida Luangnam | 6-2,6-1 |
| ITF W25 Nishi-Tama | 2019/03/12 02:50 | Miyu Nakashima v Nudnida Luangnam | 6-7,1-6 |
| ITF W25 Yokohama | 2019/03/06 01:30 | Catherine Harrison v Nudnida Luangnam | 6-0,7-6 |
| 2019 Fed Cup | 2019/02/09 05:00 | Aldila Sutjiadi v Nudnida Luangnam | 3-6,6-0,7-6 |
| 2019 Fed Cup | 2019/02/07 05:00 | Karman Kaur Thandi v Nudnida Luangnam | 2-6,6-3,3-6 |
| 2019 Fed Cup | 2019/02/06 06:20 | Yulia Putintseva v Nudnida Luangnam | 6-2,6-3 |
| WTA Hua Hin | 2019/01/26 07:45 | Arantxa Rus v Nudnida Luangnam | 4-6,6-2,6-1 |