| ITF Korea F3 Qual | 2018/06/18 03:30 | Seungri Choi v Ilsang Yoon | 3-6,2-6 |
| ITF Korea F2 | 2018/06/09 01:00 | Jaeheon Yoon v Seungri Choi | 6-1,7-5 |
| ITF Korea F1 | 2018/06/02 01:00 | Hyeong Jin Cho v Seungri Choi | 6-2,6-4 |
| Challenger Gwangju Qual | 2017/09/16 02:55 | Seungri Choi v Miliaan Niesten | 2-6,4-6 |
| ITF Korea F5 | 2017/06/28 01:00 | Seungri Choi v Min-Kyu Song | 1-6,2-6 |
| ITF Korea F4 | 2017/06/20 01:00 | Makoto Ochi v Seungri Choi | 6-1,6-1 |
| ITF Korea F3 | 2017/06/14 01:00 | Seungri Choi v Young-Hoon Jeong | 3-6,0-6 |
| ITF Korea F2 | 2017/06/07 04:20 | Oh-Hee Kwon v Seungri Choi | 6-0,6-1 |
| ITF Korea F4 | 2018/08/11 01:00 | Hyun Sik Go v In Kyo Jeong | 4-6,3-6 |
| ITF Korea F3 Qual | 2017/06/11 04:30 | Hyun Sik Go v Jun Su Kim | 7-5,4-6,3-6 |
| ITF Korea F3 Qual | 2017/06/10 03:00 | Hyun Sik Go v Ho-Min Kang | 6-3,6-2 |
| ITF Korea F2 Qual | 2017/06/04 03:00 | Oh-Hee Kwon v Hyun Sik Go | 6-1,6-4 |
| ITF Korea F1 Qual | 2017/05/28 06:30 | Tae-Woo Lee v Hyun Sik Go | 6-3,6-0 |