| ITF Korea F2 | 2017/06/08 03:00 | Daniel Nguyen v Dae-Hee Lee | 6-2,6-0 |
| 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 |
| ITF Korea F2 | 2017/06/08 02:40 | Chan-Yeong Oh v Hong Chung | 7-6,3-6,6-3 |
| ITF Korea F2 | 2017/06/06 01:00 | Jae Won Yun v Chan-Yeong Oh | 2-6,0-6 |
| ITF Korea F1 | 2017/06/02 02:50 | Chan-Yeong Oh v Makoto Ochi | 0-6,2-6 |
| ITF Korea F1 | 2017/06/01 02:00 | Ju-Hae Moon v Chan-Yeong Oh | 3-6,2-6 |
| ITF Korea F1 | 2017/05/31 06:40 | Chan-Yeong Oh v Woo Hyeok Jang | 6-2,4-6,6-1 |
| Challenger Busan | 2017/05/15 08:00 | Chan-Yeong Oh v Sadio Doumbia | 6-2,2-6,2-6 |
| Challenger Seoul Qual | 2017/05/07 01:30 | Chan-Yeong Oh v Luke Saville | 2-6,4-6 |
| Challenger Seoul Qual | 2017/05/06 01:00 | Chan-Yeong Oh v Hyeong Jin Cho | 6-1,6-2 |