Stadium: Stadium Round: 26 Ground: Hardcourt outdoor
| ITF Women Landisville | 2017/08/09 14:00 | Erika Sema v Emiliana Arango | 6-2,6-3 |
| WTA Washington Qual | 2017/07/30 14:00 | Heather Watson v Erika Sema | 6-2,5-7,6-3 |
| ITF Women Granby | 2017/07/26 21:15 | Erika Sema v Marie Bouzkova | 3-6,3-6 |
| ITF Women Tianjin | 2017/07/18 02:00 | Erika Sema v Jing-Jing Lu | 2-6,2-6 |
| ITF Women Naiman | 2017/07/14 03:20 | Miyabi Inoue v Erika Sema | 7-5,6-2 |
| ITF Women Naiman | 2017/07/13 04:45 | Erika Sema v Yanni Liu | 6-4,6-2 |
| ITF Women Naiman | 2017/07/11 02:00 | Erika Sema v Shiho Akita | 4-6,6-4,6-1 |
| ITF Women Kofu | 2017/06/17 03:05 | Olivia Tjandramulia v Erika Sema | 4-6,6-4,7-6 |
| ITF Women Landisville | 2017/08/09 14:00 | Mari Osaka v Valentini Grammatikopoulou | 5-7,7-5,6-2 |
| ITF Women Landisville Qual | 2017/08/08 14:00 | Mari Osaka v Sophie Chang | 6-2,6-2 |
| ITF Women Landisville Qual | 2017/08/07 14:00 | Mari Osaka v Erin Routliffe | 4-6,6-2,6-2 |
| ITF Women Fort Worth | 2017/08/03 00:30 | Mari Osaka v Giuliana Olmos | 6-2,6-7,2-6 |
| ITF Women Denain | 2017/07/09 13:00 | Lina Gjorcheska v Mari Osaka | 6-2,5-7,7-6 |
| ITF Women Denain | 2017/07/07 13:40 | Mari Osaka v Harmony Tan | 6-4,5-7,7-6 |
| ITF Women Denain | 2017/07/06 12:05 | Olga Ianchuk v Mari Osaka | 0-6,6-7 |
| ITF Women Denain | 2017/07/04 08:00 | Pemra Ozgen v Mari Osaka | 5-7,3-6 |