Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Kashiwa | 2022/09/29 00:55 | Rimpei Kawakami v Hiroyasu Ehara | 6-2,6-4 |
| Challenger Yokkaichi | 2022/11/21 01:00 | Rimpei Kawakami v Duckhee Lee | 6-7,3-6 |
| Challenger Yokkaichi | 2022/11/20 01:00 | Rimpei Kawakami v Yusuke Takahashi | 2-6,6-1,6-0 |
| Challenger Kobe | 2022/11/14 02:25 | Shintaro Mochizuki v Rimpei Kawakami | 6-4,6-4 |
| Challenger Kobe | 2022/11/13 04:15 | Makoto Ochi v Rimpei Kawakami | 4-6,6-3,2-6 |
| Challenger Matsuyama | 2022/11/07 01:00 | Mukund Sasikumar v Rimpei Kawakami | 6-2,6-2 |
| Challenger Yokohama | 2022/11/02 03:15 | Rimpei Kawakami v Tung-Lin Wu | 2-6,4-6 |
| Challenger Yokohama | 2022/11/01 03:00 | Tomoya Fujiwara v Rimpei Kawakami | 7-6,1-6,4-6 |
| Challenger Yokohama | 2022/10/31 01:30 | Rimpei Kawakami v Ryota Tanuma | 6-7,6-4,4-6 |
| ITF M25 Kashiwa | 2022/09/29 00:55 | Rimpei Kawakami v Hiroyasu Ehara | 6-2,6-4 |
| ITF M15 Cancun | 2022/06/03 20:00 | Hiroyasu Ehara v Taha Baadi | 3-6,4-6 |
| ITF M15 Cancun | 2022/06/03 18:30 | Hiroyasu Ehara v Taha Baadi | 3-6,4-6 |
| ITF M15 Cancun | 2022/05/24 17:00 | Hiroyasu Ehara v Alan Sau Franco | 7-6,3-6,4-6 |
| ITF M15 Cancun | 2022/05/20 15:00 | Hiroyasu Ehara v Haoyuan Huang | 4-6,5-7 |
| ITF M15 Cancun | 2022/05/18 14:00 | Hiroyasu Ehara v Alan Sau Franco | 6-4,6-2 |
| ITF M25 Nonthaburi | 2020/01/26 08:40 | Adam El Mihdawy v Hiroyasu Ehara | 6-3,6-2 |
| ITF M15 Hong Kong | 2020/01/08 02:00 | Hiroyasu Ehara v Arthur De Greef | 2-6,2-6 |