Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| Challenger Kobe | 2022/11/14 04:25 | Damir Dzumhur v Taisei Ichikawa | 6-4,6-3 |
| Challenger Yokohama | 2022/11/01 05:50 | Taisei Ichikawa v John Millman | 3-6,6-7 |
| Challenger Yokohama | 2022/10/31 01:30 | Taisei Ichikawa v Daisuke Sumizawa | 2-6,6-4,6-2 |
| Challenger Yokohama | 2022/10/30 02:45 | Ji Sung Nam v Taisei Ichikawa | 6-7,5-7 |
| ITF M25 Kashiwa | 2022/09/27 01:00 | Taisei Ichikawa v Shintaro Imai | 6-7,6-4,2-6 |
| ITF M25 Sapporo | 2022/09/07 02:40 | Ryota Tanuma v Taisei Ichikawa | 6-0,6-0 |
| ITF M25 Sapporo | 2022/09/01 01:00 | Yuki Mochizuki v Taisei Ichikawa | 6-0,6-7,6-2 |
| ITF M15 Cancun | 2022/08/25 13:30 | Taisei Ichikawa v Alejandro H Franco | 6-7,6-1,3-6 |
| ITF M15 Jakarta | 2023/01/24 05:00 | Yunseok Jang v Bang Shuo Yin | 6-4,6-4 |
| ITF M15 Jakarta Qual | 2023/01/23 02:30 | Yunseok Jang v Jun Ha Hyun | 6-3,6-3 |
| ITF M15 Jakarta | 2023/01/19 02:30 | Thomas Fancutt v Yunseok Jang | 5-7,6-3,6-2 |
| ITF M15 Jakarta | 2023/01/18 03:00 | Ha Minh Duc Vu v Yunseok Jang | 1-6,2-6 |
| ITF M15 Jakarta | 2023/01/17 02:00 | Yunseok Jang v Naoki Tajima | 6-3,3-6,10-4 |
| ITF M15 Jakarta | 2023/01/16 02:25 | Yunseok Jang v Sam Ryan Ziegann | 6-1,7-5 |
| ITF M25 Indore | 2022/11/12 05:40 | Dominik Palan v Yunseok Jang | 6-3,6-2 |
| ITF M25 Indore | 2022/11/11 06:55 | Sidharth Rawat v Yunseok Jang | 6-3,5-7,0-6 |