Stadium: Center Court Round: 28 Ground: Hardcourt outdoor
| Korea F3, Doubles | 2018/06/21 05:55 | Kwon O-H / Lim H-C v Noh S-W / Song M-K | 6-3,2-6,10-6 |
| Korea F3, Doubles | 2018/06/18 07:00 | Kwon O-H / Lim H-C v Kim J H / Son J H | 6-3,6-4 |
| Challenger Seoul Qual MD | 2018/04/29 07:05 | Chung/Watanuki v Kwon O-H / Lim H-C | 6-4,5-2 |
| Coupe Davis | 2018/02/03 05:30 | Khan A / Qureshi A v Kwon O-H / Lim H-C | 7-6,6-4 |
| ITF Korea F2 MD | 2017/06/08 07:05 | Kim Y S / Noh S-W v Kwon O-H / Lim H-C | 6-4,3-6,11-9 |
| ITF Korea F2 MD | 2017/06/06 04:10 | Choi J-W / Moon J-H v Kwon O-H / Lim H-C | 6-7,6-3,10-12 |
| Toyota, Japan, Doubles | 2016/11/16 08:35 | Kwon O-H / Lim H-C v Ratiwatana S / Yi C-H | 4-6,3-6 |
| Toyota, Japan, Doubles | 2016/11/14 03:55 | Katayama S / Onozawa A v Kwon O-H / Lim H-C | 6-4,2-6,5-10 |
| Korea F3, Doubles | 2018/06/21 05:30 | Chung H / Lee J M v Larriere C / Moritani S | 6-2,6-7,10-5 |
| Korea F3, Doubles | 2018/06/18 05:00 | Chung H / Lee J M v OH C-Y / Yamasaki J | 6-3,6-4 |
| ITF Korea F2 MD | 2018/06/15 06:10 | Fruttero J-P / Niki T v Chung H / Lee J M | 6-2,7-6 |
| ITF Korea F2 MD | 2018/06/14 06:10 | Chung H / Lee J M v Larriere C / OH C-Y | 6-2,6-4 |
| ITF Korea F2 MD | 2018/06/12 07:35 | Chung H / Lee J M v Kim D / Lee S-R | 6-4,6-4 |
| 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 04:30 | Kim C-E / OH S-G v Chung H / Lee J M | 7-5,5-7,4-10 |
| Challenger - Busan - Doubles Hommes | 2018/05/15 05:40 | Chung H / Lee J M v Hsieh C-P / Rungkat C | 6-7,1-6 |