Stadium: Court 3 Round: 45
| ITF Korea F5 | 2017/06/26 02:30 | Kang, Hogi v Kim, A-Ram | 2-6,4-6 |
| Korea F3, Singles Qualifying | 2017/06/10 03:00 | Lee, Tae-Woo v Kang, Hogi | 6-4,6-2 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Kang, Hogi v Kim, Hangyeom | 5-7,6-3,6-1 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Kang, Hogi v Cho, Gwang Hyeon | 1-6,3-6 |
| ITF Korea F1 Qual | 2017/05/27 02:00 | Yun, Jae Won v Kang, Hogi | 7-5,2-6,3-6 |
| Challenger Seoul Qual | 2017/05/06 01:00 | Max Purcell v Kang, Hogi | 6-1,6-0 |
| ITF Vietnam F8 | 2016/09/24 06:00 | Merzuki, Mohd Assri v Kang, Hogi | 2-6,7-5,6-4 |
| ITF Vietnam F8 | 2016/09/18 03:00 | Kang, Hogi v Merzuki, Mohd Assri | 6-1,6-7,6-3 |
| ITF Japan F6 | 2018/04/11 01:00 | Makoto Ochi v Niki, Takuto | 7-5,6-3 |
| ITF Japan F5 | 2018/04/04 01:00 | Niki, Takuto v Ehara, Hiroyasu | 2-6,6-2,4-6 |
| ITF Japan F5 | 2018/04/02 05:40 | Niki, Takuto v Yuta Shimizu | 6-2,6-4 |
| ITF Japan F4 | 2018/03/28 02:40 | Niki, Takuto v Naoki Tajima | 5-7,6-7 |
| ITF Japan F3 | 2018/03/19 03:15 | Shinji Hazawa v Niki, Takuto | 7-5,6-3 |
| ITF Japan F2 | 2018/03/13 02:00 | Kaito Uesugi v Niki, Takuto | 6-0,6-3 |
| ITF Japan F1 | 2018/03/10 02:00 | Nguyen, Daniel v Niki, Takuto | 6-3,6-4 |
| ITF Japan F1 | 2018/03/09 02:00 | Niki, Takuto v Moritani, Soichiro | 6-1,6-4 |