Stadium: Court 9 Round: 27 Ground: Clay
| ITF - M15 Karuizawa - Doubles Hommes | 2023/05/31 05:55 | Kawachi K / Sumizawa D v Matsumura/Takamisawa | 6-4,6-4 |
| ITF M15 Kuala Lumpur MD | 2022/07/29 06:30 | Shimizu/Tanuma v Kawachi K / Sumizawa D | 6-3,4-6,11-9 |
| ITF M15 Kuala Lumpur MD | 2022/07/28 08:10 | Kawachi K / Sumizawa D v Le Q-K / Ly H N | 3-6,6-0,10-4 |
| ITF M15 Kuala Lumpur MD | 2022/07/26 05:55 | Kawachi K / Sumizawa D v Abd Hazli/M Rifqi | 6-3,6-2 |
| Akishima, Doubles M-ITF-JPN-08A | 2019/06/14 04:35 | Ehara H / Katayama S v Kawachi K / Sumizawa D | 6-3,6-4 |
| Akishima, Doubles M-ITF-JPN-08A | 2019/06/13 06:20 | Kawachi K / Sumizawa D v Ito Y / Masabayashi T | 6-3,7-6 |
| Akishima, Doubles M-ITF-JPN-08A | 2019/06/12 03:45 | Shimabukuro S / Takeuchi K v Kawachi K / Sumizawa D | 6-3,4-6,5-10 |
| ITF - M15 Karuizawa - Doubles Hommes | 2023/05/31 07:50 | Kono/Kusuhara v Nakagawa/Sueoka | 6-7,6-3,10-6 |
| Challenger Matsuyama MD | 2022/11/08 06:35 | Nam/Song v Kono/Kusuhara | 6-3,6-4 |
| ITF M25 Sapporo MD | 2022/09/10 06:00 | Isomura/Sueoka v Kono/Kusuhara | 5-7,6-4,6-10 |
| ITF M25 Sapporo MD | 2022/09/09 05:25 | Kono/Kusuhara v Saitoh/Tanuma | 6-4,6-4 |
| ITF M25 Sapporo MD | 2022/09/09 02:00 | Kono/Kusuhara v Okamura I / Takeuchi K | 7-5,6-3 |