| ITF Korea F8 | 2016/08/20 02:00 | Jin Sung Han v Sora Fukuda | 6-3,6-7,4-6 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Jae-Won Choi v Jin Sung Han | 6-1,6-3 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Jin Sung Han v Seoung Hun Lee | 4-6,6-4,7-5 |
| Challenger Gwangju | 2017/09/19 01:30 | Dong-Hak Sin v Matthew Ebden | 5-7,3-6 |
| ITF Korea F5 | 2017/06/28 01:00 | Seong Chan Hong v Dong-Hak Sin | 7-5,6-3 |
| ITF Korea F5 | 2017/06/27 01:30 | Dong-Hak Sin v Woo-Ram Kim | 6-2,3-6,7-5 |
| ITF Korea F5 | 2017/06/26 01:30 | Dong-Hak Sin v Geon Ju Shin | 7-5,6-3 |
| ITF Korea F4 | 2017/06/20 01:00 | Dong-Hak Sin v Min Hyeok Cho | 4-6,0-6 |
| ITF Korea F4 | 2017/06/19 01:00 | Dong-Hak Sin v Byeonghun Kim | 6-3,6-1 |
| ITF Korea F4 | 2017/06/18 01:00 | Dong-Hak Sin v Jun Su Kim | 6-3,6-3 |
| ITF Korea F3 Qual | 2017/06/10 05:00 | Young-Hoon Jeong v Dong-Hak Sin | 6-2,6-1 |