Stadium: Court 4 Round: 62 Ground: Synthetic outdoor
| ITF W15 Sapporo | 2024/07/30 01:00 | Karen Tsutsumi v Riko Kikawada | 6-2,4-6,6-10 |
| ITF W15 Sapporo | 2024/07/25 02:40 | Karen Tsutsumi v Eunhye Lee | 1-6,0-6 |
| ITF W15 Sapporo | 2024/07/23 01:00 | Karen Tsutsumi v Honori Koyama | 6-1,6-1 |
| ITF W15 Sapporo | 2024/07/22 13:30 | Ayaka Ozeki v Karen Tsutsumi | 1-6,2-6 |
| ITF W15 Toyama | 2024/05/14 12:45 | Minori Ishida v Karen Tsutsumi | 6-4,7-6 |
| ITF W40 Yokohama | 2023/11/29 00:50 | Karen Tsutsumi v Haruka Kaji | 0-6,3-6 |
| ITF W40 Yokohama | 2023/11/28 00:55 | Karen Tsutsumi v Funa Kozaki | 4-6,6-3,6-2 |
| ITF W40 Yokohama | 2023/11/27 01:00 | Xinxin Yao v Karen Tsutsumi | 4-6,4-6 |
| ITF W35 Makinohara | 2024/10/30 00:40 | Yuka Hosoki v Nagisa Suzuki | 6-4,6-2 |
| ITF W35 Makinohara | 2024/10/28 01:30 | Yuka Hosoki v Nagisa Suzuki | 6-3,5-7,2-10 |
| ITF Women Hamamatsu Qual | 2017/10/14 00:00 | Suzuho Oshino v Nagisa Suzuki | 6-0,6-3 |
| ITF Women Makinohara | 2017/10/10 00:30 | Rika Fujiwara v Nagisa Suzuki | 6-1,6-0 |