Stadium: A 3 Round: 44 Ground: Synthetic outdoor
| ITF W25 Nishi-Tama | 2019/03/11 03:00 | Jodie Anna Burrage v Azusa Yasaki | 6-0,6-0 |
| 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 |
| ITF W25 Karuizawa | 2019/05/20 01:00 | Kiko Nishizato v Chisa Hosonuma | 1-6,4-6 |
| ITF W60 Kurume | 2019/05/13 01:55 | Chisa Hosonuma v Ena Shibahara | 2-6,3-6 |
| ITF W15 Cancun | 2019/03/19 19:00 | Magali Kempen v Chisa Hosonuma | 6-3,6-2 |