Stadium: Court C Round: 45 Ground: Hardcourt indoor
| ITF W25 Nanao | 2019/08/25 02:00 | Sakura Hondo v Satona Yada | 6-3,7-6 |
| ITF W25 Karuizawa | 2019/05/20 01:00 | Satona Yada v Hiromi Abe | 1-6,1-6 |
| ITF W25 Nanao | 2019/08/26 01:00 | Hiromi Abe v Yuka Hosoki | 6-0,6-3 |
| ITF W25 Tsukuba | 2019/08/20 04:15 | Ayumi Morita v Yuka Hosoki | 7-5,6-0 |
| ITF W25 Tsukuba | 2019/08/19 02:45 | Robu Kajitani v Yuka Hosoki | 5-7,6-4,2-10 |
| ITF W25 Taipei | 2019/07/29 02:00 | Funa Kozaki v Yuka Hosoki | 6-1,6-4 |
| ITF W15 Cancun | 2019/06/14 13:30 | Solymar Colling v Yuka Hosoki | 6-0,6-1 |
| ITF W15 Cancun | 2019/06/13 15:35 | Maria Camila Torres Murcia v Yuka Hosoki | 2-6,2-6 |
| ITF W15 Cancun | 2019/06/11 16:20 | Katya Townsend v Yuka Hosoki | 2-6,6-7 |
| ITF W15 Cancun | 2019/06/06 14:35 | Yuka Hosoki v Zoe Gwen Scandalis | 0-6,2-6 |