Stadium: Court G Round: 26 Ground: Hardcourt outdoor
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/20 06:15 | Furuya, Michiru v Lee, So-Ra | 7-5,6-7,4-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/19 01:00 | Lee, So-Ra v Takayama, Chihiro | 6-3,7-5 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/18 01:00 | Lee, So-Ra v Sakura Hosogi | 6-1,7-5 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Lee, So-Ra v Ya-Hsuan Lee | 6-7,3-6 |
| Fed Cup, Groupe Mondial | 2018/02/10 04:30 | Yang, Zhaoxuan v Lee, So-Ra | 6-3,6-2 |
| ITF Women Shenzhen Qual | 2017/11/07 02:00 | Neel, Ingrid v Lee, So-Ra | 6-2,6-1 |
| ITF Women Shenzhen Qual | 2017/11/06 04:45 | Lee, So-Ra v Chengyiyi Yuan | 6-1,6-2 |
| ITF Women Shenzhen Qual | 2017/11/05 07:10 | Lee, So-Ra v Kong, Qianxin | 6-0,6-2 |
| 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 |
| ITF Women Launceston Qual | 2018/02/03 23:00 | Tanaka, Yuuki v Catherine Krueger | 6-0,6-0 |
| Burnie, Qualifications Simples W-WITF-AUS-01C | 2018/01/28 01:20 | Xiyu Wang v Tanaka, Yuuki | 6-4,6-7,6-1 |
| ITF Women Hong Kong | 2018/01/05 02:00 | Tanaka, Yuuki v Hiroko Kuwata | 4-6,1-6 |