Stadium: Court 6 Round: 27
| ITF Thailand F7 MD | 2018/10/29 06:40 | Ehara H / Isaro P v Corwin F / Spec M | 6-1,6-4 |
| ITF Thailand F7 MD | 2018/10/29 08:15 | Gerch/Prechtel v Hong S-Y / Kim S-H | 6-7,7-6,9-11 |
| ITF Korea F1 MD | 2018/06/08 10:00 | Hong S-Y / Kim S-H v Lim Y-K / Nam J S | 1-6,4-6 |
| ITF Korea F1 MD | 2018/06/07 04:20 | Hong S-Y / Kim S-H v Chung H / Lee J M | 7-6,6-3 |
| ITF Korea F1 MD | 2018/06/06 07:00 | Hong S-Y / Kim S-H v Choi J-W / Moon J-H | 6-2,3-6,10-7 |
| Challenger - Gwangju - Doubles Hommes | 2017/09/20 06:30 | Hong S-Y / Kim S-H v Kibi Y / Matsui T | 1-6,6-3,7-10 |
| ITF Women Yeongwol WD | 2017/09/08 05:50 | Kim N R / Lee P-C v Hong S-Y / Kim S-H | 7-5,6-3 |
| ITF Women Yeongwol WD | 2017/09/07 06:15 | Cao S / Liu S Q v Hong S-Y / Kim S-H | 5-7,5-7 |
| ITF Women Yeongwol WD | 2017/09/05 07:15 | Hong S-Y / Kim S-H v Kim/Park | 6-2,6-1 |