Stadium: Court 7 Round: 44
| ITF Korea F1 | 2018/06/05 01:00 | Chan-Yeong Oh v Ku Keon Kang | 6-4,6-4 |
| ITF Vietnam F3 | 2018/05/15 03:00 | Ku Keon Kang v Bajwa, Paramveer Singh | 2-6,6-7 |
| ITF Vietnam F2 | 2018/05/06 06:00 | Ku Keon Kang v Addison, Aaron | 3-6,2-6 |
| ITF Vietnam F2 | 2018/05/05 07:00 | Ku Keon Kang v Vu, Artem | 6-3,6-3 |
| Challenger Kaohsiung Qual | 2017/09/30 05:00 | Ku Keon Kang v Matosevic, Marinko | 3-6,3-6 |
| ITF USA F31 | 2017/09/16 20:15 | Ku Keon Kang v Sao Thiago, Igor | 3-6,6-2,7-5 |
| ITF USA F31 | 2017/09/15 17:00 | de Oliveira Cruz, Gustavo v Ku Keon Kang | 3-6,6-4,2-6 |
| ITF USA F30 | 2017/09/08 20:30 | Ku Keon Kang v Rapp, Austin | 4-6,2-6 |
| ITF Korea F1 | 2018/06/06 05:15 | Noh, Sang-Woo v Kim, Dukyoung | 6-4,6-1 |
| Korea F3, Singles Qualifying | 2017/06/12 03:00 | Lee, Dong-Kyu v Kim, Dukyoung | 6-4,6-1 |
| Korea F3, Singles Qualifying | 2017/06/11 03:00 | Kim, Dukyoung v Kim, Hyeong Don | 6-1,6-2 |
| Korea F3, Singles Qualifying | 2017/06/10 02:00 | Kim, Dukyoung v Choi, Jae-Won | 6-4,6-4 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Kim, Sang Yeop v Kim, Dukyoung | 6-3,3-6,6-4 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Sin, Dong-Hak v Kim, Dukyoung | 3-6,6-3,6-1 |
| ITF Korea F8 | 2016/08/21 02:00 | Kim, Dukyoung v Sora Fukuda | 0-6,1-6 |