Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Nishi-Tokyo | 2024/03/24 02:00 | Hikaru Shiraishi v Duckhee Lee | 6-4,7-6 |
| ITF M15 Nishi-Tokyo | 2024/03/23 04:20 | Stefanos Sakellaridis v Duckhee Lee | 6-7,6-2,5-7 |
| ITF M15 Nishi-Tokyo | 2024/03/22 04:05 | Duckhee Lee v Yunseong Chung | 6-4,6-0 |
| ITF M15 Nishi-Tokyo | 2024/03/21 02:20 | Renta Tokuda v Duckhee Lee | 3-6,3-6 |
| ITF M15 Nishi-Tokyo | 2024/03/19 03:30 | Yi Zhou v Duckhee Lee | 6-7,1-6 |
| ITF M15 Hinode | 2024/03/14 01:00 | Ryotaro Taguchi v Duckhee Lee | 2-6,6-0,6-3 |
| ITF M15 Hinode | 2024/03/12 01:00 | Masamichi Imamura v Duckhee Lee | 2-6,6-2,2-6 |
| ITF M15 Nakhon Si Thammarat | 2024/02/21 04:35 | Stefanos Sakellaridis v Duckhee Lee | 3-6,6-1,6-4 |
| ITF M25 Changwon | 2023/06/16 01:00 | Chan-Yeong Oh v Dominik Palan | 3-6,0-6 |
| ITF M25 Changwon | 2023/06/15 01:00 | Naoki Tajima v Chan-Yeong Oh | 1-6,3-6 |
| ITF M25 Changwon | 2023/06/14 04:00 | Hong Chung v Chan-Yeong Oh | 4-6,5-7 |
| ITF M25 Changwon | 2023/06/12 08:20 | Chan-Yeong Oh v Dae Han Kim | 5-7,6-2,10-4 |
| ITF M25 Changwon | 2023/06/12 04:55 | Chan-Yeong Oh v Chan Hee Han | 6-3,6-2 |
| ITF M25 Changwon | 2023/06/11 05:35 | Seonyong Han v Chan-Yeong Oh | 3-6,2-6 |
| ITF M25 Daegu | 2023/06/07 04:40 | Chan-Yeong Oh v Hong Chung | 2-6,4-6 |
| ITF M25 Daegu | 2023/06/05 01:00 | Issei Okamura v Chan-Yeong Oh | 1-6,6-4,7-10 |