Stadium: Court A Round: 45 Ground: Hardcourt indoor
| ITF W25 Kyoto | 2019/09/02 04:00 | Sakura Hosogi v Nagisa Morimoto | 6-2,6-4 |
| ITF W25 Nanao | 2019/08/27 01:00 | Miyabi Inoue v Sakura Hosogi | 6-3,6-7,7-5 |
| ITF W25 Nanao | 2019/08/26 02:45 | Sakura Hosogi v Honoka Kobayashi | 3-6,7-6,8-10 |
| ITF W25 Nanao | 2019/08/25 03:30 | Sakura Hosogi v Robu Kajitani | 6-3,7-6 |
| ITF W25 Tsukuba | 2019/08/21 00:30 | Sakura Hosogi v Himari Sato | 3-6,3-6 |
| ITF W25 Tsukuba | 2019/08/20 00:30 | Ramu Ueda v Sakura Hosogi | 7-5,3-6,9-11 |
| ITF W25 Tsukuba | 2019/08/19 01:45 | Shiori Ito v Sakura Hosogi | 2-6,0-6 |
| ITF W25 Taipei | 2019/07/30 05:40 | Sakura Hosogi v Nudnida Luangnam | 1-6,4-6 |
| ITF W25 Kyoto | 2019/09/02 02:00 | Chisa Hosonuma v Ikumi Yamazaki | 3-6,6-3,10-8 |
| ITF W25 Nanao | 2019/08/25 03:00 | Misaki Matsuda v Chisa Hosonuma | 6-3,6-0 |
| ITF W25 Nanao | 2019/08/25 01:00 | Azusa Yasaki v Chisa Hosonuma | 2-6,0-6 |
| ITF W25 Tsukuba | 2019/08/20 00:30 | Erika Sema v Chisa Hosonuma | 6-7,7-5,10-5 |
| ITF W25 Tsukuba | 2019/08/19 00:30 | Chisa Hosonuma v Honoka Kobayashi | 2-6,6-3,10-7 |
| ITF W15 Gimcheon | 2019/06/18 01:00 | Chisa Hosonuma v Jeongyun Lee | 2-6,4-6 |
| ITF W15 Gimcheon | 2019/06/17 01:00 | Chisa Hosonuma v SinHee Kim | 6-3,6-3 |
| ITF W25 Karuizawa | 2019/05/21 04:30 | Kanako Morisaki v Chisa Hosonuma | 6-3,6-2 |