Ground: Hardcourt outdoor
| ITF Japan F6 | 2014/06/13 00:00 | Woong-Sun Jun v Shunrou Takeshima | 7-6,1-6,4-6 |
| ITF Japan F6 | 2014/06/10 06:05 | Hiroka Kondo v Woong-Sun Jun | 3-6,4-6 |
| ITF Guam F1 | 2014/05/30 02:15 | Woong-Sun Jun v Takuto Niki | 4-6,6-7 |
| ITF Korea F1 | 2014/04/23 01:00 | Takuto Niki v Woong-Sun Jun | 6-1,6-4 |
| ITF Korea F1 Qual | 2014/04/21 03:50 | Woong-Sun Jun v Jae Hwan Kim | 3-6,6-1,7-6 |
| ITF Japan F4 | 2014/04/02 04:45 | Yuya Kibi v Woong-Sun Jun | 6-2,6-7,6-2 |