Stadium: Court 4 Round: 54
| ITF Women Kurume Qual | 2018/05/14 03:10 | Yuki Kristina Chiang v Kotomi Takahata | 6-4,4-6,7-6 |
| ITF Women Kurume Qual | 2018/05/13 10:10 | Yuki Kristina Chiang v Yuka Hosoki | 2-6,6-3,6-3 |
| ITF Women Fukuoka Qual | 2018/05/06 01:00 | Sakura Hondo v Yuki Kristina Chiang | 6-2,6-3 |
| ITF Women Gifu Qual | 2018/04/29 04:20 | Mei Yamaguchi v Yuki Kristina Chiang | 6-1,6-2 |
| ITF Women Osaka Qual | 2018/04/09 01:00 | Yuki Kristina Chiang v Nicha Lertpitaksinchai | 1-6,3-6 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Yuki Kristina Chiang v Kei Kato | 3-6,6-4,6-2 |
| ITF Women Kashiwa Qual | 2018/04/01 05:00 | Momoko Kobori v Yuki Kristina Chiang | 6-2,6-3 |
| ITF Women Kofu Qual | 2018/03/26 01:00 | Ksenia Lykina v Yuki Kristina Chiang | 7-5,7-5 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Ari Matsumoto v Chihiro Takayama | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 08:25 | Ari Matsumoto v Nao Itoyama | 6-0,6-0 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Ari Matsumoto v Ramu Ueda | 3-6,6-7 |
| ITF Women Kashiwa | 2018/04/03 03:10 | Yuxuan Zhang v Ari Matsumoto | 6-3,6-4 |
| ITF Women Kofu | 2018/03/28 03:15 | Bianca Andreescu v Ari Matsumoto | 6-0,6-1 |
| ITF Women Antalya | 2018/03/08 07:30 | Agnes Bukta v Ari Matsumoto | 6-3,6-1 |
| ITF Women Antalya | 2018/03/07 09:50 | Vitalia Stamat v Ari Matsumoto | 6-4,4-6,4-6 |
| ITF Women Antalya | 2018/03/05 07:00 | Aleksandra Stankovic v Ari Matsumoto | 2-6,7-6,4-6 |