Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Hinode | 2023/03/21 01:00 | Karen Tsutsumi v Shiori Kaneyama | 6-1,6-1 |
| ITF W15 Hinode | 2023/03/20 03:00 | Nagomi Higashitani v Karen Tsutsumi | 5-7,3-6 |
| ITF W15 Hinode | 2023/03/19 01:00 | Karen Tsutsumi v Michiru Furuya | 6-2,6-1 |
| ITF W25 Yokohama | 2022/11/09 01:00 | Karen Tsutsumi v Sakura Hosogi | 2-6,4-6 |
| ITF W25 Yokohama | 2020/03/03 05:25 | Himeno Sakatsume v Karen Tsutsumi | 6-3,6-1 |
| ITF W25 Yokohama | 2020/03/03 01:00 | Karen Tsutsumi v Yui Chikaraishi | 6-4,7-6 |
| ITF Women Hamamatsu | 2018/10/15 03:40 | Ayumi Koshiishi v Karen Tsutsumi | 6-2,6-1 |
| ITF Women Hamamatsu | 2018/10/14 04:00 | Karen Tsutsumi v Aoiko Goto | 4-6,7-5,6-1 |
| ITF W15 Kuching | 2023/03/01 09:05 | Meiqi Guo v Honoka Kobayashi | 6-2,6-3 |
| ITF W15 Sharm El Sheikh | 2023/02/08 11:45 | Linda Klimovicova v Honoka Kobayashi | 6-0,3-6,6-1 |
| ITF W15 Sharm El Sheikh | 2023/02/02 07:30 | Ho Ching Wu v Honoka Kobayashi | 6-1,6-1 |
| ITF W15 Sharm El Sheikh | 2023/02/01 15:00 | Honoka Kobayashi v Anastasiya Apalikhina | 6-3,6-2 |
| ITF W40 Nonthaburi - kval | 2023/01/08 07:30 | Honoka Kobayashi v Mayuka Aikawa | 1-6,4-6 |
| ITF W40 Nonthaburi | 2023/01/01 08:20 | Yeon Woo Ku v Honoka Kobayashi | 6-4,6-2 |
| ITF W60 Kyoto | 2022/12/19 02:00 | Suzuho Oshino v Honoka Kobayashi | 6-2,6-4 |
| ITF W60 Tokyo | 2022/11/14 00:55 | Nagi Hanatani v Honoka Kobayashi | 6-1,6-4 |