Stadium: C Round: 25
| 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 Yokohama Qual | 2018/03/04 07:30 | Moyuka Uchijima v Yuuki Tanaka | 2-6,6-2,6-1 |
| ITF Women Perth Qual | 2018/02/11 02:00 | Monique Barry v Yuuki Tanaka | 2-6,1-6 |
| ITF Women Launceston | 2018/02/07 01:45 | Mai Minokoshi v Yuuki Tanaka | 6-7,6-4,6-4 |
| ITF Women Launceston Qual | 2018/02/04 23:00 | Yuuki Tanaka v Maddison Inglis | 6-1,3-6,6-2 |
| 2017 Fed Cup | 2017/07/21 05:00 | Carol Young Suh Lee v Lynelle E T Lim | 6-0,6-4 |