20.09.17 | 1st round | Yuuya Kibi/Toshihide Matsui | Seongchan Hong/Young Seok Kim | 6-1, 3-6, 10-7 |  | match details | Gwangju Challenger | Hard |
12.06.17 | 1/4 | Jae-Min Seol/Min-Kyu Song | Seongchan Hong/Young Seok Kim | 6-2, 6-4 |  | match details | Korea F3 | Hard |
12.06.17 | 1st round | Seongchan Hong/Young Seok Kim | Seungri Choi/Shane Vinsant | 7-63, 6-1 |  | match details |
05.06.17 | fin | Hyun-Joon Kim/Sang-Woo Noh | Seongchan Hong/Young Seok Kim | 2-6, 6-1, 14-12 |  | match details | Korea F2 | Hard |
05.06.17 | 1/2 | Seongchan Hong/Young Seok Kim | Yunseong Chung/Hyung-Chan Lim | 7-65, 3-6, 10-8 |  | match details |
05.06.17 | 1st round | Seongchan Hong/Young Seok Kim | Gwang Hyeon Cho/Jaeyoung Park | 6-1, 6-2 |  | match details |
05.06.17 | 1/4 | Seongchan Hong/Young Seok Kim | Jae-Min Seol/Min-Kyu Song | 2-6, 6-2, 10-8 |  | match details |
29.05.17 | 1st round | Jae-Min Seol/Min-Kyu Song | Seongchan Hong/Young Seok Kim | 6-4, 6-4 |  | match details | Korea F1 | Hard |