Estádio: Court 1 Round: 19 Ground: Hardcourt outdoor
| ITF - M25 Kashiwa | 2022/10/01 02:45 | Rimpei Kawakami v Ryota Tanuma | 6-3,6-2 |
| 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 |
| ITF - M15 Caloundra | 2022/07/29 00:00 | Rimpei Kawakami v Isaac Becroft | 1-6,4-6 |
| Challenger - Seul | 2022/10/09 06:00 | Hamad Medjedovic v Ryota Tanuma | 6-4,6-3 |
| ATP - Tóquio | 2022/10/01 07:55 | Ryota Tanuma v Ramkumar Ramanathan | 5-7,3-6 |
| ITF - M25 Kashiwa | 2022/10/01 02:45 | Rimpei Kawakami v Ryota Tanuma | 6-3,6-2 |
| ITF - M25 Kashiwa | 2022/09/30 01:00 | Ryota Tanuma v Koki Matsuda | 7-6,6-3 |
| ITF - M25 Kashiwa | 2022/09/29 01:00 | Ryota Tanuma v Asahi Harazaki | 7-5,6-4 |
| ITF - M25 Kashiwa | 2022/09/28 03:55 | Ryota Tanuma v Taketo Takamisawa | 7-6,6-3 |
| ITF - M25 Sapporo | 2022/09/09 01:00 | Ryota Tanuma v Keisuke Saitoh | 6-0,4-6,3-6 |
| ITF - M25 Sapporo | 2022/09/08 03:10 | Ryota Tanuma v Takuya Kumasaka | 6-2,6-1 |