Stadium: Court 1 Round: 28 Ground: Hardcourt outdoor
| 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 |
| ITF Women Gimcheon WD | 2017/06/16 04:00 | Choi J-H / Kang S-K v Hong S-Y / Kim S-H | 6-3,6-1 |
| Korea F3, Doubles | 2017/06/15 04:55 | Hong S-Y / Kim S-H v Seol J-M / Song M-K | 2-6,4-6 |
| ITF Korea F1 MD | 2018/06/07 05:00 | Lee D / Yoo J v Lim Y-K / Nam J S | 1-6,3-6 |
| ITF Korea F1 MD | 2018/06/05 05:45 | Lim Y-K / Nam J S v Noh S-W / Song M-K | 6-2,6-3 |