Stadium: C Round: 25
| ITF Women Changwon | 2018/05/24 02:40 | Flink, Varvara v Tanaka, Yuuki | 7-5,6-2 |
| ITF Women Changwon | 2018/05/23 01:00 | Tanaka, Yuuki v Lee, Pei-Chei | 6-3,6-2 |
| ITF Women Incheon | 2018/05/16 01:30 | Peangtarn Plipuech v Tanaka, Yuuki | 6-1,6-0 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/20 06:45 | Mei Yamaguchi v Tanaka, Yuuki | 6-4,3-6,1-6 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/04 07:30 | Moyuka Uchijima v Tanaka, Yuuki | 2-6,6-2,6-1 |
| ITF Women Perth Qual | 2018/02/11 02:00 | Monique Barry v Tanaka, Yuuki | 2-6,1-6 |
| Launceston, Qualifications Simples W-WITF-AUS-02B | 2018/02/07 01:45 | Minokoshi, Mai v Tanaka, Yuuki | 6-7,6-4,6-4 |
| ITF Women Launceston Qual | 2018/02/04 23:00 | Tanaka, Yuuki v Maddison Inglis | 6-1,3-6,6-2 |
| Fed Cup, Matchs en Doubles | 2017/07/21 05:00 | Lee, Carol Youngsuh v Lynelle En Tong Lim | 6-0,6-4 |