Stadium: Court 1 Round: 25
| ITF Women Kofu | 2018/06/14 03:35 | Yuuki Tanaka v Mai Hontama | 6-0,2-6,6-7 |
| ITF Women Kofu | 2018/06/12 01:00 | Yuuki Tanaka v Mitsumi Kawasaki | 6-0,6-2 |
| ITF Women Singapore | 2018/06/06 03:55 | Yuuki Tanaka v Haruka Kaji | 7-6,4-6,1-6 |
| ITF Women Singapore | 2018/06/05 03:35 | Yuuki Tanaka v Lynelle E T Lim | 6-0,6-0 |
| ITF Women Changwon | 2018/05/24 02:40 | Varvara Flink v Yuuki Tanaka | 7-5,6-2 |
| ITF Women Changwon | 2018/05/23 01:00 | Yuuki Tanaka v Pei-Chi Lee | 6-3,6-2 |
| ITF Women Incheon | 2018/05/16 01:30 | Peangtarn Plipuech v Yuuki Tanaka | 6-1,6-0 |
| ITF Women Nishi-Tama | 2018/03/20 06:45 | Mei Yamaguchi v Yuuki Tanaka | 6-4,3-6,1-6 |
| ITF Women Changwon | 2018/05/22 04:30 | Na Ri Kim v Varvara Flink | 3-6,4-6 |
| ITF Women Incheon | 2018/05/17 04:35 | Na Ri Kim v Akiko Omae | 4-6,6-7 |
| ITF Women Incheon | 2018/05/15 03:00 | Na Ri Kim v Charmaine S Y Seah | 6-2,6-3 |
| ITF Women Goyang | 2018/05/10 01:00 | Na Ri Kim v Mayo Hibi | 1-6,6-4,3-6 |
| ITF Women Goyang | 2018/05/09 01:00 | Na Ri Kim v Seo-Kyung Kang | 6-1,0-6,6-4 |
| ITF Women Nishi-Tama | 2018/03/25 02:00 | So-Ra Lee v Na Ri Kim | 6-3,2-6,7-5 |
| ITF Women Nishi-Tama | 2018/03/24 02:00 | Na Ri Kim v Risa Ushijima | 6-1,6-1 |
| ITF Women Nishi-Tama | 2018/03/23 01:00 | Na Ri Kim v Ling Zhang | 6-3,6-2 |