Stadium: Court 1 Round: 45
| ITF Women Landisville | 2017/08/10 14:00 | Erika Sema v Mari Osaka | 7-5,2-6,4-6 |
| WTA Tokyo Qual | 2017/09/09 03:15 | Mari Osaka v Arina Rodionova | 6-4,4-6,4-6 |
| ITF Women Landisville | 2017/08/11 18:55 | Hiroko Kuwata v Mari Osaka | 6-1,6-1 |
| ITF Women Landisville | 2017/08/10 14:00 | Erika Sema v Mari Osaka | 7-5,2-6,4-6 |
| 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 |
| WTA Tokyo Qual | 2017/09/10 04:05 | Danka Kovinic v Erika Sema | 2-6,6-3,6-2 |
| WTA Tokyo Qual | 2017/09/09 07:10 | Moyuka Uchijima v Erika Sema | 6-3,4-6,2-6 |
| WTA Dalian | 2017/09/06 04:00 | Kai-Lin Zhang v Erika Sema | 7-5,6-2 |
| WTA Dalian Qual | 2017/09/04 05:25 | Erika Sema v Beatrice Gumulya | 1-6,6-0,5-7 |
| WTA Dalian Qual | 2017/09/03 06:30 | Erika Sema v Ran Meng | 6-3,6-0 |
| ITF Women Tsukuba | 2017/08/25 00:40 | Erika Sema v Ling Zhang | 6-2,4-6,5-7 |
| ITF Women Tsukuba | 2017/08/24 00:40 | Erika Sema v Chieh-Yu Hsu | 7-5,6-2 |
| ITF Women Tsukuba | 2017/08/23 00:40 | Erika Sema v Haruna Arakawa | 6-4,6-2 |