| ITF Korea F1 | 2017/06/04 03:30 | Daniel Nguyen v Seong Chan Hong | 6-4,5-7,6-2 |
| ITF Korea F1 | 2017/06/03 02:00 | Daniel Nguyen v Cheong-Eui Kim | 6-4,6-4 |
| ITF Korea F1 | 2017/06/02 02:00 | Daniel Nguyen v Jae Hwan Kim | 6-1,6-2 |
| ITF Korea F1 | 2017/06/01 03:05 | Daniel Nguyen v Jung-Woong Na | 6-2,6-4 |
| ITF Korea F1 | 2017/05/31 05:40 | Daniel Nguyen v Jaeyoung Park | 6-3,6-1 |
| Challenger Shymkent Qual | 2017/05/22 05:00 | Daniel Nguyen v Evgeny Karlovskiy | 4-6,0-6 |
| Challenger Shymkent Qual | 2017/05/21 05:00 | Daniel Nguyen v Denis Matsukevich | 7-5,6-0 |
| Challenger Busan Qual | 2017/05/15 03:35 | Austin Krajicek v Daniel Nguyen | 6-1,6-3 |
| ITF Korea F2 | 2017/06/07 03:35 | Ku Keon Kang v Dae-Hee Lee | 3-6,6-1,3-6 |
| ITF Korea F1 | 2017/06/01 02:40 | Dae-Hee Lee v Hong Chung | 1-6,0-6 |
| ITF Korea F1 | 2017/05/31 06:50 | Jui-Chen Hung v Dae-Hee Lee | 4-6,6-7 |
| ITF Korea F1 Qual | 2017/05/29 02:35 | Hyun-Woo Nam v Dae-Hee Lee | 6-3,3-6,0-6 |
| ITF Korea F8 | 2016/09/03 02:00 | Dae-Hee Lee v Jeamoon Lee | 4-6,3-6 |
| ITF Korea F8 | 2016/08/28 03:00 | Jae-Min Seol v Dae-Hee Lee | 6-4,6-2 |
| ITF Korea F1 Qual | 2016/06/13 04:25 | Jae-Min Seol v Dae-Hee Lee | 6-3,6-4 |
| ITF Thailand F9 | 2015/06/21 04:30 | Nattan Benjasupawan v Dae-Hee Lee | 1-6,6-3,6-7 |