Stadium: Court F Round: 28 Ground: Hardcourt outdoor
| ITF Women Nishi-Tama | 2018/03/23 01:00 | Na Ri Kim v Ling Zhang | 6-3,6-2 |
| ITF Women Nishi-Tama | 2018/03/22 04:25 | Na Ri Kim v Kanako Morisaki | 1-6,7-5,6-2 |
| ITF Women Nishi-Tama | 2018/03/20 03:00 | Na Ri Kim v Ji-Hee Choi | 4-6,6-3,6-1 |
| 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 Nishi-Tama | 2018/03/23 02:30 | Risa Ushijima v Giulia Gatto Monticone | 6-1,6-3 |
| ITF Women Nishi-Tama | 2018/03/22 03:00 | Mayuka Aikawa v Risa Ushijima | 6-3,2-6,3-6 |
| ITF Women Nishi-Tama | 2018/03/21 02:00 | Ayumi Miyamoto v Risa Ushijima | 6-1,4-6,4-6 |
| ITF Women Toyota | 2018/03/15 03:30 | Risa Ushijima v Ayla Aksu | 4-6,2-6 |
| ITF Women Toyota | 2018/03/14 01:00 | Risa Ushijima v Ryoko Ikeda | 6-2,6-3 |
| ITF Women Toyota Qual | 2018/03/12 03:30 | Risa Ushijima v Misa Eguchi | 4-6,6-3,7-6 |
| ITF Women Toyota Qual | 2018/03/11 01:00 | Kanako Morisaki v Risa Ushijima | 3-6,1-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Mami Hasegawa v Risa Ushijima | 1-6,6-3,2-6 |