Stadium: A 3 輪: 44 Ground: Synthetic outdoor
| ITF W25西多摩 | 2019/03/11 03:00 | 朱迪•安娜•伯雷奇 v Azusa Yasaki | 6-0,6-0 |
| ITF W25築波 | 2019/08/20 00:30 | 瀬間詠裏花 v 細沼千紗 | 6-7,7-5,10-5 |
| ITF W25築波 | 2019/08/19 00:30 | 細沼千紗 v Honoka Kobayashi | 2-6,6-3,10-7 |
| ITF W15金泉 | 2019/06/18 01:00 | 細沼千紗 v Jeongyun Lee | 2-6,4-6 |
| ITF W15金泉 | 2019/06/17 01:00 | 細沼千紗 v SinHee Kim | 6-3,6-3 |
| ITF W25輕井澤 | 2019/05/21 04:30 | 森崎可南子 v 細沼千紗 | 6-3,6-2 |
| ITF W25輕井澤 | 2019/05/20 01:00 | 西里喜行 v 細沼千紗 | 1-6,4-6 |
| ITF W60久留米 | 2019/05/13 01:55 | 細沼千紗 v 埃納 Shibahara | 2-6,3-6 |
| ITF W15坎昆 | 2019/03/19 19:00 | 馬加裏•科姆普恩 v 細沼千紗 | 6-3,6-2 |