Stadium: Court 7 Round: 19 Ground: Hardcourt outdoor
| 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 |
| Challenger Yokohama | 2022/10/30 01:00 | Rimpei Kawakami v Taketo Takamisawa | 6-2,6-4 |
| Challenger Kobe | 2022/11/13 05:30 | Yunseong Chung v Duckhee Lee | 6-2,6-0 |
| Challenger Busan | 2022/10/16 03:05 | Mukund Sasikumar v Duckhee Lee | 6-1,6-4 |
| Challenger Gwangju | 2022/10/04 03:00 | Duckhee Lee v Maximilian Neuchrist | 6-4,0-6,3-6 |
| Challenger Gwangju | 2022/10/03 03:20 | Keegan Smith v Duckhee Lee | 2-6,1-6 |
| Challenger Gwangju | 2022/10/02 03:55 | Se Hyuk Cho v Duckhee Lee | 1-6,0-6 |
| ATP Seoul | 2022/09/24 04:05 | Duckhee Lee v Tung-Lin Wu | 6-4,4-6,5-7 |
| ITF M15 Daegu | 2022/09/03 01:45 | Duckhee Lee v Cheong-Eui Kim | 5-7,1-6 |
| ITF M15 Daegu | 2022/09/02 02:00 | Duckhee Lee v Geun Jun Kim | 6-3,6-2 |