Stadium: Court 3 Round: 19 Ground: Hardcourt outdoor
| ITF W15 Hinode | 2023/03/20 03:00 | Higashitani, Nagomi v Tsutsumi, Karen | 5-7,3-6 |
| ITF W15 Hinode | 2023/03/19 01:00 | Tsutsumi, Karen v 푸루야, 미치루 | 6-2,6-1 |
| ITF W25 Yokohama | 2022/11/09 01:00 | Tsutsumi, Karen v 호소기, 사쿠라 | 2-6,4-6 |
| ITF W25 Yokohama | 2020/03/03 05:25 | 사카츠메, 히메노 v Tsutsumi, Karen | 6-3,6-1 |
| ITF W25 Yokohama | 2020/03/03 01:00 | Tsutsumi, Karen v 치카라이시, 유이 | 6-4,7-6 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/15 03:40 | 코시이시, 아유미 v Tsutsumi, Karen | 6-2,6-1 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/14 04:00 | Tsutsumi, Karen v Goto, Aoiko | 4-6,7-5,6-1 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/14 00:00 | Tsutsumi, Karen v Shindo, Marie | 6-3,7-6 |