Stadium: Court 1 Round: 26
| ITF Women Wuhan Qual | 2018/05/15 07:05 | Mari Osaka v Aleksandrina Naydenova | 6-3,6-1 |
| ITF Women Charlottesville | 2018/04/27 17:25 | Mari Osaka v Anhelina Kalinina | 2-6,7-6,5-7 |
| ITF Women Charlottesville | 2018/04/26 21:40 | Madison Brengle v Mari Osaka | 1-6,2-6 |
| ITF Women Charlottesville | 2018/04/26 16:50 | Mari Osaka v Katherine Sebov | 1-6,7-6,6-1 |
| ITF Women Charlottesville Qual | 2018/04/24 14:00 | Mari Osaka v Alexandra Mueller | 6-4,6-2 |
| ITF Women Charlottesville Qual | 2018/04/23 14:00 | Mari Osaka v Ingrid Neel | 6-7,6-1,6-1 |
| ITF Women Pelham | 2018/04/10 23:30 | Mari Osaka v Barbara Haas | 6-4,6-7,0-6 |
| ITF Women Jackson | 2018/04/04 15:00 | Mari Osaka v Gaia Sanesi | 5-7,4-6 |
| ITF Women Wuhan | 2018/05/15 06:45 | Hanyu Guo v Jiahui Chen | 6-2,6-7,6-3 |
| ITF Women Luan | 2018/05/10 02:00 | Hanyu Guo v Ankita Raina | 4-6,5-7 |
| ITF Women Luan | 2018/05/08 05:45 | Hanyu Guo v Yanni Liu | 6-7,6-4,6-1 |
| WTA Anning | 2018/05/01 05:30 | Hanyu Guo v Xiaodi You | 0-6,1-6 |
| ITF Women Quanzhou | 2018/04/24 06:50 | Saisai Zheng v Hanyu Guo | 6-3,6-4 |
| WTA Zhengzhou Qual | 2018/04/14 04:15 | Xiaodi You v Hanyu Guo | 6-2,3-6,6-4 |
| ITF Women Shenzhen Qual | 2018/03/10 06:10 | Priscilla Hon v Hanyu Guo | 6-2,6-3 |
| ITF Women Xiamen | 2018/02/27 02:00 | Shuyue Ma v Hanyu Guo | 6-3,7-5 |