Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Challenger Yokohama | 2022/10/31 01:30 | Rimpei Kawakami v Ryota Tanuma | 6-7,6-4,4-6 |
| Challenger Yokohama | 2022/10/30 01:00 | Rimpei Kawakami v Taketo Takamisawa | 6-2,6-4 |
| ITF M25 Kashiwa | 2022/10/01 02:45 | Rimpei Kawakami v Ryota Tanuma | 6-3,6-2 |
| ITF M25 Kashiwa | 2022/09/30 03:15 | Rimpei Kawakami v Yuta Shimizu | 6-2,4-6,7-5 |
| ITF M25 Kashiwa | 2022/09/29 00:55 | Rimpei Kawakami v Hiroyasu Ehara | 6-2,6-4 |
| ITF M25 Kashiwa | 2022/09/27 03:00 | Rimpei Kawakami v Hayato Matsuoka | 6-3,6-4 |
| ITF M25 Sapporo | 2022/09/07 01:50 | Ryusuke Horiuchi v Rimpei Kawakami | 2-6,7-6,6-4 |
| ITF M25 Sapporo | 2022/09/01 01:00 | Takuto Niki v Rimpei Kawakami | 6-3,1-6,7-5 |