Stadium: Court 3 Round: 26
| ITF Women Baotou | 2018/05/23 02:30 | Mari Osaka v Xinyu Jiang | 6-0,6-2 |
| ITF Women Wuhan | 2018/05/17 02:00 | Mari Osaka v Hanyu Guo | 4-6,6-3,5-7 |
| 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 Baotou | 2018/05/22 03:40 | Nika Kukharchuk v Xu Liu Sun | 6-0,6-1 |
| ITF Women Wuhan | 2018/05/16 02:00 | Nika Kukharchuk v Wushuang Zheng | 4-6,2-6 |
| ITF Women Wuhan | 2018/05/15 04:25 | Ziyue Sun v Nika Kukharchuk | 2-6,3-6 |
| ITF Women Luan | 2018/05/09 05:45 | Nika Kukharchuk v Mai Minokoshi | 2-6,4-6 |
| WTA Anning | 2018/04/30 03:00 | Sabina Sharipova v Nika Kukharchuk | 7-5,5-7,6-2 |
| WTA Anning Qual | 2018/04/29 03:00 | Shuo Feng v Nika Kukharchuk | 3-6,4-6 |
| WTA Anning Qual | 2018/04/28 05:55 | Jia Qi Ren v Nika Kukharchuk | 0-6,4-6 |
| ITF Women Dothan Qual | 2018/04/16 15:00 | Katherine Sebov v Nika Kukharchuk | 6-2,6-3 |