Stadium: Court F Round: 29 Ground: Hardcourt outdoor
| ITF Women Yeongwol | 2017/09/08 01:00 | Lee, So-Ra v Kim, Na Ri | 2-6,0-6 |
| ITF Women Changwon | 2017/05/11 01:00 | Lee, So-Ra v Kim, Na Ri | 4-6,3-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/24 02:00 | Lee, So-Ra v Dabin Kim | 7-6,6-7,6-3 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/23 01:00 | Okuno, Ayaka v Lee, So-Ra | 3-6,4-6 |
| 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 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/24 02:00 | Kim, Na Ri v Ushijima, Risa | 6-1,6-1 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/23 01:00 | Kim, Na Ri v Zhang, Ling | 6-3,6-2 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/22 04:25 | Kim, Na Ri v Kanako Morisaki | 1-6,7-5,6-2 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/20 03:00 | Kim, Na Ri v Choi, Ji-Hee | 4-6,6-3,6-1 |
| ITF Women Toyota Qual | 2018/03/12 02:45 | Shiho Akita v Kim, Na Ri | 6-3,6-2 |
| ITF Women Toyota Qual | 2018/03/11 03:30 | Hosonuma, Chisa v Kim, Na Ri | 3-6,2-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Nishimoto, Megumi v Kim, Na Ri | 6-1,5-7,4-6 |
| ITF Women Toyota Qual | 2017/11/12 06:30 | Kim, Na Ri v Nishimoto, Megumi | 6-1,1-6,3-6 |