Ground: Hardcourt outdoor
| ITF Korea F1 Qual | 2014/05/01 05:10 | Lim, Yong-Kyu v Duckhee Lee | 6-3,6-4 |
| ITF Korea F1 | 2014/04/23 02:55 | Chung, Hyeon v Duckhee Lee | 6-1,7-6 |
| ITF Japan F4 | 2014/04/04 01:00 | Kaito Uesugi v Duckhee Lee | 2-6,5-7 |
| ITF Japan F4 | 2014/04/02 01:00 | Duckhee Lee v Ko Suzuki | 7-5,7-5 |
| ITF Japan F4 | 2014/03/31 05:30 | Tearney, Finn v Duckhee Lee | 3-6,7-5,6-7 |
| ITF Japan F3 | 2014/03/27 01:45 | Duckhee Lee v Takeuchi, Kento (1987) | 3-6,4-6 |
| ITF Japan F3 | 2014/03/26 01:00 | Duckhee Lee v Nagao, Katsuki | 6-0,6-7,7-6 |
| ITF Hong Kong F1 Qual | 2014/07/06 02:00 | Ushida, Atsushi v Lam, Wing-Lun | 6-3,6-4 |
| ITF Japan F6 | 2014/06/13 00:00 | Ushida, Atsushi v Niki, Takuto | 4-6,1-6 |
| ITF Japan F6 | 2014/06/11 07:25 | Ono, Yohei v Ushida, Atsushi | 6-7,4-6 |
| ITF Japan F6 Qual | 2014/06/09 03:00 | Ushida, Atsushi v Inoue, Haru | 6-4,7-5 |
| ITF Japan F6 Qual | 2014/06/08 07:30 | Sasai, Masaki v Ushida, Atsushi | 1-6,3-6 |
| ITF Japan F5 | 2014/06/02 01:00 | Shiga, Masato v Ushida, Atsushi | 6-4,1-6,6-3 |
| ITF Guam F1 | 2014/05/29 00:00 | Ushida, Atsushi v Niki, Takuto | 6-4,2-6,2-6 |
| ITF Guam F1 | 2014/05/27 00:00 | Moore, B. v Ushida, Atsushi | 7-5,0-6,5-7 |