Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Challenger Piracicaba | 2023/01/17 17:15 | Carlos Sanchez Jover v Yunseong Chung | 6-3,6-0 |
| Challenger Piracicaba | 2023/01/16 15:10 | Yunseong Chung v Carlos Sanchez Jover | 6-4,6-3 |
| Challenger Piracicaba | 2023/01/15 18:15 | Yunseong Chung v Gonzalo Bueno | 6-2,6-2 |
| Challenger Tigre | 2023/01/10 17:10 | Yunseong Chung v Edoardo Lavagno | 3-6,1-6 |
| Challenger Yokkaichi | 2022/11/24 01:30 | Yunseong Chung v Mukund Sasikumar | 6-1,6-4 |
| Challenger Yokkaichi | 2022/11/21 02:50 | Dane Sweeny v Yunseong Chung | 5-7,2-6 |
| Challenger Kobe | 2022/11/15 02:50 | Yunseong Chung v Yosuke Watanuki | 2-6,2-6 |
| Challenger Kobe | 2022/11/14 02:45 | Yunseong Chung v Yuta Shimizu | 6-2,7-6 |
| ITF M15 Daegu | 2022/08/29 09:30 | Sora Fukuda v Suk Hyun Choo | 6-4,6-1 |
| ITF M15 Daegu | 2022/08/29 06:00 | Suk Hyun Choo v Seung Heon Hong | 3-6,6-1,10-4 |
| ITF M15 Changwon | 2022/08/24 05:55 | Ajeet Rai v Suk Hyun Choo | 6-2,6-4 |
| ITF M15 Changwon | 2022/08/22 06:30 | Alexander Babanine v Suk Hyun Choo | 2-6,4-6 |
| ITF M15 Changwon | 2022/08/21 03:30 | Chan-Yeong Oh v Suk Hyun Choo | 6-2,3-6,7-10 |
| ITF M15 Anseong | 2022/08/18 02:35 | Jae Hwan Kim v Suk Hyun Choo | 6-2,6-3 |
| ITF M15 Anseong | 2022/08/17 01:00 | Suk Hyun Choo v Ko Suzuki | 6-2,6-2 |
| ITF M15 Anseong | 2022/08/15 02:00 | Suk Hyun Choo v Homin Kwag | 7-6,6-3 |