Stadium: Indoor 3 Round: 54
| 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 |
| ITF Women Antalya | 2018/03/04 08:30 | Ari Matsumoto v Elena Di Battista | 6-2,6-1 |
| ITF Women Antalya | 2018/02/28 08:45 | Ari Matsumoto v Anhzelika Isaeva | 0-6,3-6 |