Ground: Hardcourt outdoor
| ITF W15 Fukui | 2025/05/22 01:00 | Honori Koyama v Mutsumi Uemura | 6-2,6-2 |
| ITF W15 Fukui | 2025/05/20 01:00 | Mutsumi Uemura v Nana Kawagishi | 6-3,2-6,6-2 |
| ITF W15 Toyama | 2025/05/14 05:17 | Mutsumi Uemura v Yujin Kim | 4-6,6-7 |
| ITF W100 Gifu | 2025/04/28 06:04 | Mutsumi Uemura v Sohyun Park | 6-7,4-6 |
| ITF W15 Antalya | 2025/04/10 07:30 | Diana Demidova v Mutsumi Uemura | 6-4,5-0 |
| ITF W15 Antalya | 2025/04/09 07:00 | Mutsumi Uemura v Tessa Johanna Brockmann | 7-6,6-3 |
| ITF W50 Kofu | 2025/03/17 01:00 | Kayo Nishimura v Mutsumi Uemura | 6-1,6-3 |
| UTR Pro Yokohama Women | 2025/02/06 01:00 | Yui Ohwaki v Mutsumi Uemura | 3-6,4-6 |
| ITF W50 Kyoto | 2025/03/11 04:00 | Ayano Shimizu v Karen Tsutsumi | 6-2,6-2 |
| ITF W50 Yokohama | 2024/11/25 02:25 | Shiho Akita v Karen Tsutsumi | 6-2,6-3 |
| ITF W35 Hamamatsu | 2024/11/04 00:50 | Karen Tsutsumi v Nagisa Suzuki | 7-6,4-6,7-10 |
| ITF W35 Hamamatsu | 2024/11/03 01:00 | Meng Yi Chen v Karen Tsutsumi | 3-6,6-3,6-10 |
| 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 |