Stadium: I Round: 25 Ground: Hardcourt outdoor
| ITF Women Toyota Qual | 2018/03/12 02:45 | Shiho Akita v Na Ri Kim | 6-3,6-2 |
| ITF Women Toyota Qual | 2018/03/11 03:30 | Chisa Hosonuma v Na Ri Kim | 3-6,2-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Megumi Nishimoto v Na Ri Kim | 6-1,5-7,4-6 |
| ITF Women Toyota Qual | 2017/11/12 06:30 | Na Ri Kim v Megumi Nishimoto | 6-1,1-6,3-6 |
| ITF Women Toyota Qual | 2017/11/12 03:05 | Na Ri Kim v Ayumi Koshiishi | 6-3,6-2 |
| ITF Women Tokyo | 2017/11/07 01:00 | Na Ri Kim v Shiho Akita | 6-7,2-6 |
| ITF Women Hua Hin | 2017/09/25 08:20 | Na Ri Kim v Jacqueline Cako | 4-6,7-5,6-7 |
| WTA Seoul Qual | 2017/09/17 04:20 | Peangtarn Plipuech v Na Ri Kim | 5-7,6-2,6-1 |
| ITF Women Toyota Qual | 2018/03/11 01:00 | Ji-Hee Choi v Sunam Jeong | 2-6,2-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Ji-Hee Choi v Ayumi Koshiishi | 4-6,6-3,6-2 |
| ITF Women Toyota Qual | 2017/11/12 03:35 | Ji-Hee Choi v Rika Fujiwara | 0-6,6-7 |
| ITF Women Tokyo Qual | 2017/11/05 03:10 | Ji-Hee Choi v Chisa Hosonuma | 6-4,1-6,4-6 |
| ITF Women Tokyo Qual | 2017/11/04 05:30 | Ji-Hee Choi v Shiho Hisamatsu | 6-0,6-0 |
| ITF Women Nonthaburi | 2017/10/07 02:00 | Lulu Sun v Ji-Hee Choi | 2-6,3-6 |
| ITF Women Nonthaburi | 2017/10/06 02:00 | Chin-Wei Chan v Ji-Hee Choi | 5-7,3-6 |
| ITF Women Nonthaburi | 2017/10/05 02:00 | Ji-Hee Choi v Ling Zhang | 6-3,6-3 |