Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF Women Daegu | 2018/06/20 01:00 | Ushijima, Risa v Na-Lae Han | 3-6,5-7 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/09 04:25 | Ushijima, Risa v Nina Stadler | 6-3,7-6 |
| ITF Women Nonthaburi Qual | 2018/07/08 02:00 | Claudia Hoste Ferrer v Ushijima, Risa | 2-6,1-6 |
| ITF Women Nonthaburi Qual | 2018/07/07 05:40 | Yuenyao, Romklao v Ushijima, Risa | 2-6,1-6 |
| ITF Women Daegu | 2018/06/20 01:00 | Ushijima, Risa v Na-Lae Han | 3-6,5-7 |
| Kofu, Singles W-WITF-JPN-02A | 2018/06/12 01:00 | Shiori Fukuda v Ushijima, Risa | 6-3,6-3 |
| ITF Women Singapore | 2018/06/06 02:00 | Jovic, J. v Ushijima, Risa | 6-2,7-5 |
| ITF Women Singapore | 2018/06/05 02:00 | Ushijima, Risa v Aldila Sutjiadi | 7-5,6-2 |
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/24 01:15 | Mei Yamaguchi v Ushijima, Risa | 3-6,7-5,7-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/09 02:00 | Alexandra Bozovic v Na-Lae Han | 6-3,3-6,2-6 |
| ITF Women Daegu | 2018/06/23 02:00 | Chang, Kai-Chen v Na-Lae Han | 3-6,3-6 |
| ITF Women Daegu | 2018/06/22 03:00 | Hanna Chang v Na-Lae Han | 3-6,2-6 |
| ITF Women Daegu | 2018/06/21 01:00 | Liu, Chang v Na-Lae Han | 3-6,4-6 |
| ITF Women Daegu | 2018/06/20 01:00 | Ushijima, Risa v Na-Lae Han | 3-6,5-7 |
| ITF Women Singapore | 2018/06/14 03:00 | Glushko, Julia v Na-Lae Han | 7-6,4-6,6-1 |
| ITF Women Singapore | 2018/06/13 02:00 | Beatrice Gumulya v Na-Lae Han | 1-6,2-6 |
| ITF Women Singapore | 2018/06/12 04:15 | Jacqueline Cabaj Awad v Na-Lae Han | 1-6,6-2,1-6 |