Stadium: Court C Round: 25
| ITF Women Nanao | 2018/08/27 03:50 | Иди Янг v Rio Kitagawa | 6-1,6-2 |
| ITF Women Gimcheon | 2018/08/23 03:50 | Da Ye Kim v Rio Kitagawa | 6-4,6-2 |
| ITF Women Gimcheon | 2018/08/15 01:00 | Rio Kitagawa v Рамя Натараян | 1-6,1-6 |
| ITF Women Taipei | 2018/07/23 03:00 | Rio Kitagawa v Тинг-Пей Чанг | 6-2,4-6,4-6 |
| ITF Women Jakarta | 2018/07/17 07:00 | Жибек Куламбаева v Rio Kitagawa | 6-2,6-1 |
| ITF Women Solo | 2018/07/10 06:00 | Zhima Du v Rio Kitagawa | 6-3,6-2 |
| ITF Women Daegu Qual | 2018/06/19 01:00 | Аяка Окуно v Rio Kitagawa | 6-0,7-6 |
| ITF Women Daegu Qual | 2018/06/18 01:00 | Fatima Bizhukova v Rio Kitagawa | 2-6,0-6 |
| ITF Women Kyoto | 2018/09/02 03:00 | Ikumi Yamazaki v Yuzuka Shimizu | 6-1,6-1 |
| ITF Women Nanao | 2018/08/26 04:30 | Ikumi Yamazaki v Kumi So | 1-6,1-6 |
| ITF Women Nanao | 2018/08/26 01:00 | Робу Кажитани v Ikumi Yamazaki | 6-2,1-6,3-6 |