Round: 26 Ground: Hardcourt outdoor
| ITF Korea F8 | 2016/09/03 01:00 | Jae-Won Choi v Dong-Hak Sin | 4-6,5-7 |
| ITF Korea F7 | 2016/08/30 01:30 | Katsuki Nagao v Jae-Won Choi | 6-3,7-6 |
| ITF Korea F8 | 2016/08/29 01:30 | Jae-Won Choi v Chan-Yeong Oh | 6-3,6-1 |
| ITF Korea F1 Qual | 2016/06/13 04:50 | Jae-Won Choi v Jeamoon Lee | 7-6,3-6,2-6 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Jae-Won Choi v Jin Sung Han | 6-1,6-3 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Jae-Won Choi v Yu-Seob Kim | 6-2,6-3 |
| ITF Korea F1 | 2015/05/17 02:00 | Jung-Woong Na v Jae-Won Choi | 6-1,6-3 |
| Davis Cup | 2017/04/09 01:35 | Michael Venus v Seong Chan Hong | 6-3,3-6,4-6,6-2,6-3 |
| ITF Japan F4 | 2017/04/01 01:00 | Seong Chan Hong v Yusuke Takahashi | 4-6,5-7 |
| ITF Japan F4 | 2017/03/31 02:30 | Seong Chan Hong v Yosuke Watanuki | 7-5,6-4 |
| ITF Japan F4 | 2017/03/30 01:00 | Seong Chan Hong v Gengo Kikuchi | 6-3,6-3 |
| ITF Japan F4 | 2017/03/28 03:00 | Seong Chan Hong v Yuta Shimizu | 6-2,7-6 |
| ITF Turkey F8 | 2017/02/27 07:00 | Sarp Agabigun v Seong Chan Hong | 1-6,7-6,7-5 |
| ITF Turkey F7 | 2017/02/24 10:20 | Cem Ilkel v Seong Chan Hong | 6-7,6-4,7-5 |
| ITF Turkey F7 | 2017/02/23 10:05 | Martins Podzus v Seong Chan Hong | 2-6,5-7 |