Estadio: Court A11 Round: 62 Ground: Synthetic outdoor
| ITF Nanao - Femenino | 2018/08/26 04:15 | Ivana Popovic v Mayuka Aikawa | 4-6,4-6 |
| ITF Nanao - Femenino | 2018/08/26 01:00 | Mayuka Aikawa v Chinatsu Shimizu | 6-3,6-3 |
| ITF Evansville - Femenino | 2018/07/25 17:25 | Savanna Ly-Nguyen v Mayuka Aikawa | 6-4,6-1 |
| ITF Evansville - Femenino | 2018/07/24 14:00 | Caitlin Bernard v Mayuka Aikawa | 5-7,5-7 |
| ITF Evansville - Femenino | 2018/07/23 15:00 | Vivian Mayumi Toma v Mayuka Aikawa | 1-6,0-6 |
| ITF Evansville - Femenino | 2018/07/22 14:00 | Mayuka Aikawa v Tara Malik | 6-2,6-4 |
| ITF Antalya - Femenino | 2018/06/05 09:40 | Mayuka Aikawa v Francesca Bullani | 3-6,2-6 |
| ITF Antalya - Femenino | 2018/05/29 07:30 | Kamilla Kokeladze v Mayuka Aikawa | 6-2,7-6 |
| ITF Nanao - Femenino | 2018/08/26 04:30 | Ikumi Yamazaki v Kumi So | 1-6,1-6 |
| ITF Tsukuba - Femenino | 2018/08/21 03:00 | Kai-Lin Zhang v Kumi So | 6-2,7-5 |
| ITF Tsukuba - Femenino | 2018/08/20 01:00 | Rina Saigo v Kumi So | 3-6,1-6 |
| ITF Tsukuba - Femenino | 2018/08/19 03:00 | Kumi So v Kotomi Takahata | 6-4,6-4 |
| ITF - Figueria da Foz - Femenino - Clasificación | 2018/07/16 12:00 | Cristina Bucsa v Kumi So | 6-1,6-0 |
| ITF Setubal - Clasificación - Femenino | 2018/07/08 13:00 | Kelly Williford v Kumi So | 2-6,6-7 |
| ITF Corroios-Seixal - Femenino | 2018/07/05 11:00 | Eden Silva v Kumi So | 6-2,6-3 |
| ITF Corroios-Seixal - Femenino | 2018/07/03 11:30 | Clemence Fayol v Kumi So | 6-2,4-6,3-6 |