Stadium: Court 4 Round: 25
| 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 |
| ITF Women Karuizawa | 2018/05/24 01:15 | Mei Yamaguchi v Risa Ushijima | 3-6,7-5,7-6 |
| ITF Women Kurume | 2018/05/15 02:40 | Olivia Tjandramulia v Risa Ushijima | 6-2,2-6,6-4 |
| ITF Women Osaka | 2018/04/11 02:45 | Risa Ushijima v En Shuo Liang | 1-6,4-6 |
| ITF Women Osaka Qual | 2018/04/09 01:00 | Ange Oby Kajuru v Risa Ushijima | 3-6,2-6 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Mayuka Aikawa v Risa Ushijima | 4-6,1-6 |
| ITF Women Singapore | 2018/06/14 03:00 | Julia Glushko 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 |
| ITF Women Changwon | 2018/05/23 05:05 | Ya-Hsuan Lee v Na-Lae Han | 6-4,6-3 |
| ITF Women Incheon | 2018/05/20 02:00 | Na-Lae Han v En Shuo Liang | 2-6,6-0,5-7 |
| ITF Women Incheon | 2018/05/19 01:00 | So-Ra Lee v Na-Lae Han | 0-6,3-6 |
| ITF Women Incheon | 2018/05/18 02:00 | Na-Lae Han v Ji-Hee Choi | 6-3,6-4 |
| ITF Women Incheon | 2018/05/17 01:30 | Na-Lae Han v Ya-Hsuan Lee | 4-6,6-3,7-6 |