Stadium: Court C Round: 26 Ground: Hardcourt outdoor
| ITF Women Nishi-Tama | 2018/03/21 04:30 | Julia Wachaczyk v Mayuka Aikawa | 6-4,2-6,3-6 |
| ITF Women Nishi-Tama | 2018/03/19 01:00 | Mayuka Aikawa v Kei Kato | 6-3,3-6,6-1 |
| ITF Women Nishi-Tama | 2018/03/18 01:00 | Mayuka Aikawa v Anne-Marie Medcalf | 3-6,6-3,6-4 |
| ITF Women Nishi-Tama | 2018/03/17 03:00 | Sang Hee Park v Mayuka Aikawa | 6-2,5-7,2-6 |
| ITF Women Wesley Chapel Qual | 2018/01/21 15:30 | Mayuka Aikawa v Whitney Osuigwe | 3-6,4-6 |
| ITF Women Hamamatsu Qual | 2017/10/16 02:00 | Suzuho Oshino v Mayuka Aikawa | 6-4,6-7,6-4 |
| ITF Women Hamamatsu Qual | 2017/10/14 00:00 | Mayuka Aikawa v Yuika Sano | 6-2,6-1 |
| ITF Women Makinohara | 2017/10/10 02:55 | Mayuka Aikawa v Ayumi Koshiishi | 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 |
| ITF Women Yokohama Qual | 2018/03/05 03:00 | Risa Ushijima v Moyuka Uchijima | 4-6,6-7 |
| ITF Women Yokohama Qual | 2018/03/04 07:30 | Robin Anderson v Risa Ushijima | 7-6,6-7,1-6 |