| ITF Corea F6 | 2018/08/26 03:00 | Jae Won Yun v Jin Sung Han | 7-6,5-7,7-6 |
| ITF Corea F6 | 2018/08/25 04:30 | Jungwon Park v Jae Won Yun | 2-6,3-6 |
| ITF Corea del Sud F5 | 2018/08/20 01:00 | Hong Chung v Jae Won Yun | 6-4,6-3 |
| ITF Corea del Sud F5 | 2018/08/19 02:00 | Jae Won Yun v Donghwi Shin | 6-2,6-2 |
| ITF Corea del Sud F5 | 2018/08/18 02:00 | Geon Ju Shin v Jae Won Yun | 4-6,4-6 |
| ITF Corea F4 | 2018/08/12 02:00 | Jae Won Yun v Seoung Hun Lee | 6-3,2-6,6-7 |
| ITF Corea F4 | 2018/08/11 01:00 | Jae Won Yun v Jaeyoung Park | 6-1,6-3 |
| ITF Corea F3 - Qual. | 2018/06/17 03:00 | Young-Hoon Jeong v Jae Won Yun | 6-2,6-2 |
| ITF Corea F4 | 2018/08/17 01:00 | Uisung Park v Tae-Woo Lee | 6-2,6-4 |
| ITF Corea F4 | 2018/08/16 01:00 | Tae-Woo Lee v Mark Whitehouse | 6-4,6-2 |
| ITF Corea F4 | 2018/08/13 03:00 | Ren Nakamura v Tae-Woo Lee | 1-6,1-6 |
| ITF Corea F3 | 2018/06/18 06:30 | Tae-Woo Lee v Young Seok Kim | 1-6,7-6,4-6 |
| ITF Corea F2 | 2018/06/12 01:00 | Tae-Woo Lee v Jumpei Yamasaki | 3-6,0-6 |
| ITF Corea F1 | 2018/06/08 03:40 | Cheong-Eui Kim v Tae-Woo Lee | 6-4,5-7,6-4 |
| ITF Corea F1 | 2018/06/07 01:00 | Chan-Yeong Oh v Tae-Woo Lee | 4-6,2-6 |
| ITF Corea F1 | 2018/06/06 05:05 | Clement Larriere v Tae-Woo Lee | 4-6,4-6 |