| ITF Women Nonthaburi Qual | 2018/07/07 02:00 | Rada Manataweewat v Julia Vulpio | 3-6,6-1,0-6 |
| ITF Women Hua Hin Qual | 2018/06/02 03:00 | Min Liu v Rada Manataweewat | 6-3,6-7,6-3 |
| ITF Women Hua Hin Qual | 2018/05/26 02:30 | Ange Oby Kajuru v Rada Manataweewat | 6-0,6-1 |
| ITF Women Hua Hin Qual | 2017/07/08 03:00 | Jaipet Anontaweesil v Rada Manataweewat | 6-1,6-3 |
| ITF Women Nonthaburi | 2018/07/11 02:00 | Risa Ushijima v Na-Lae Han | 6-7,1-6 |
| ITF Women Nonthaburi | 2018/07/09 04:25 | Risa Ushijima v Nina Stadler | 6-3,7-6 |
| ITF Women Nonthaburi Qual | 2018/07/08 02:00 | Claudia Hoste Ferrer v Risa Ushijima | 2-6,1-6 |
| ITF Women Nonthaburi Qual | 2018/07/07 05:40 | Romklao Yuenyao v Risa Ushijima | 2-6,1-6 |
| ITF Women Daegu | 2018/06/20 01:00 | Risa Ushijima v Na-Lae Han | 3-6,5-7 |
| ITF Women Kofu | 2018/06/12 01:00 | Shiori Fukuda v Risa Ushijima | 6-3,6-3 |
| ITF Women Singapore | 2018/06/06 02:00 | Jovana Jaksic v Risa Ushijima | 6-2,7-5 |
| ITF Women Singapore | 2018/06/05 02:00 | Risa Ushijima v Aldila Sutjiadi | 7-5,6-2 |