| ITF Corea F1 | 2017/05/31 01:00 | Dong-Kyu Lee v Seong Chan Hong | 1-6,6-4,4-6 |
| ITF Corea F1 - Qual. | 2017/05/29 03:40 | Dong-Kyu Lee v Donghwi Shin | 6-3,6-1 |
| ITF Corea 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 Indonesia F6 | 2017/04/10 03:00 | Dong-Kyu Lee v Arief Rahman | 6-4,6-3 |
| ITF Indonesia F6 | 2017/04/09 04:00 | Dong-Kyu Lee v Dominik Nazaruk | 7-5,6-4 |
| ITF Indonesia F5 - Qual. | 2017/04/04 03:20 | Dong-Kyu Lee v Dominik Nazaruk | 3-6,7-6,6-7 |
| ITF Indonesia F5 - Qual. | 2017/04/02 08:15 | Dong-Kyu Lee v Hendrawan Susanto | 6-3,7-6 |
| ITF Corea F2 - Qual. | 2017/06/03 02:00 | Yeongseok Jeong v Suk-Young Jeong | 6-2,6-1 |