Round: 62 Ground: Hardcourt outdoor
| ITF Korea F3 Qual | 2017/06/10 02:00 | Dong-Kyu Lee v Gwang Hyeon Cho | 6-3,4-6,6-0 |
| ITF Korea F2 | 2017/06/07 02:35 | Yong-Kyu Lim v Dong-Kyu Lee | 7-6,6-3 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Dong-Kyu Lee v Jaeyoung Park | 6-2,6-2 |
| ITF Korea F2 Qual | 2017/06/04 04:30 | Dong-Kyu Lee v Yeongseok Jeong | 6-4,6-1 |
| ITF Korea F1 | 2017/05/31 01:00 | Dong-Kyu Lee v Seong Chan Hong | 1-6,6-4,4-6 |
| ITF Korea F1 Qual | 2017/05/29 03:40 | Dong-Kyu Lee v Donghwi Shin | 6-3,6-1 |
| ITF Korea F1 Qual | 2017/05/28 01:00 | Dong-Kyu Lee v Jun Sang Park | 6-2,7-5 |
| ITF Indonesia F6 | 2017/04/11 03:00 | Karunuday Singh v Dong-Kyu Lee | 3-6,6-4,6-3 |
| ITF Korea F3 Qual | 2017/06/11 03:00 | Dukyoung Kim v Hyeong Don Kim | 6-1,6-2 |
| ITF Korea F3 Qual | 2017/06/10 02:00 | Dukyoung Kim v Jae-Won Choi | 6-4,6-4 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Sang Yeop Kim v Dukyoung Kim | 6-3,3-6,6-4 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Dong-Hak Sin v Dukyoung Kim | 3-6,6-3,6-1 |
| ITF Korea F8 | 2016/08/21 02:00 | Dukyoung Kim v Sora Fukuda | 0-6,1-6 |