Stadium: C Round: 27 Ground: Hardcourt outdoor
| WTA Zhengzhou | 2018/04/16 05:20 | Ran Tian v Mai Minokoshi | 0-6,2-6 |
| WTA Zhengzhou Qual | 2018/04/15 04:45 | Viktoria Kamenskaya v Mai Minokoshi | 4-6,2-6 |
| WTA Zhengzhou Qual | 2018/04/14 04:15 | Olivia Tjandramulia v Mai Minokoshi | 1-6,7-5,0-6 |
| ITF Women Osaka | 2018/04/10 01:00 | Destanee Aiava v Mai Minokoshi | 1-6,6-4,7-6 |
| ITF Women Kashiwa | 2018/04/04 04:10 | Mai Minokoshi v Xinyu Wang | 3-6,3-6 |
| ITF Women Kofu | 2018/03/27 01:00 | Mai Minokoshi v Xinyu Gao | 6-4,5-7,4-6 |
| ITF Women Yokohama | 2018/03/08 02:55 | Laura Robson v Mai Minokoshi | 7-5,6-3 |
| ITF Women Yokohama | 2018/03/06 01:00 | Ayano Shimizu v Mai Minokoshi | 3-6,3-6 |
| WTA Zhengzhou | 2018/04/18 05:10 | Xiyu Wang v Yanina Wickmayer | 3-6,1-6 |
| WTA Zhengzhou | 2018/04/16 07:25 | Vera Zvonareva v Yanina Wickmayer | 3-6,4-6 |
| WTA Miami Qual | 2018/03/20 14:00 | Monica Niculescu v Yanina Wickmayer | 6-1,6-3 |
| WTA Miami Qual | 2018/03/19 14:00 | Olivia Rogowska v Yanina Wickmayer | 4-6,7-6,4-6 |
| WTA Indian Wells | 2018/03/10 22:35 | Yanina Wickmayer v Daria Saville | 6-7,2-6 |
| WTA Indian Wells | 2018/03/08 19:00 | Yanina Wickmayer v Kayla Day | 6-3,6-2 |
| WTA Indian Wells Qual | 2018/03/06 19:00 | Jil Teichmann v Yanina Wickmayer | 4-6,1-6 |
| WTA Indian Wells Qual | 2018/03/05 22:10 | Yanina Wickmayer v Viktorija Golubic | 6-3,7-5 |