Stadium: A 9 Round: 44 Ground: Synthetic outdoor
| ITF W25 Nanao | 2019/08/25 03:30 | Sakura Hosogi v Kajitani, Robu | 6-3,7-6 |
| Tsukuba, Singles W-ITF-JPN-13A | 2019/08/21 00:30 | Sakura Hosogi v Himari Sato | 3-6,3-6 |
| Tsukuba, Singles W-ITF-JPN-13A | 2019/08/20 00:30 | Ueda, Ramu v Sakura Hosogi | 7-5,3-6,9-11 |
| Tsukuba, Singles W-ITF-JPN-13A | 2019/08/19 01:45 | Ito, Shiori v Sakura Hosogi | 2-6,0-6 |
| Taipei, Singles W-ITF-TPE-01A | 2019/07/30 05:40 | Sakura Hosogi v Luangnam, Nudnida | 1-6,4-6 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/09 07:25 | Sakura Hosogi v Patcharin Cheapchandej | 6-3,7-5 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/04 02:45 | Sakura Hosogi v Himeno Sakatsume | 1-6,7-5,3-6 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/02 06:05 | Sakura Hosogi v Rachdanone, Prarisa | 6-0,6-0 |
| ITF W25 Nanao | 2019/08/25 02:00 | Kanami Tsuji v Honoka Kobayashi | 2-6,6-4,6-10 |
| Tsukuba, Singles W-ITF-JPN-13A | 2019/08/19 00:30 | Hosonuma, Chisa v Honoka Kobayashi | 2-6,6-3,10-7 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/09 02:30 | Honoka Kobayashi v Lunda Kumhom | 2-6,2-6 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/08 03:25 | Honoka Kobayashi v Kanaphuet, Thitirat | 6-0,6-0 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/03 04:00 | Kim, Da Hye v Honoka Kobayashi | 6-3,6-4 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/02 03:00 | Honoka Kobayashi v Liu, Mingyang | 6-3,6-0 |
| Hua Hin, Simples W-ITF-THA-10A | 2019/07/01 03:00 | Honoka Kobayashi v Pang, Sarah | 6-0,6-0 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/19 01:00 | Ayumi Koshiishi v Honoka Kobayashi | 4-6,6-4,6-4 |