Stadium: Court 1 Round: 25
| Australian Open WC | 2018/11/28 04:45 | Yu Hsiou Hsu v Tsung-Hua Yang | 6-3,6-1 |
| Challenger Pune | 2018/11/20 09:05 | Prajnesh Gunneswaran v Tsung-Hua Yang | 6-4,6-4 |
| Challenger Bangalore | 2018/11/12 14:20 | Tsung-Hua Yang v James Ward | 6-7,4-6 |
| Challenger Shenzhen 2 | 2018/11/01 02:30 | Tsung-Hua Yang v Alejandro Davidovich Fokina | 7-6,4-6,2-6 |
| Challenger Shenzhen 2 | 2018/10/30 05:10 | Soonwoo Kwon v Tsung-Hua Yang | 5-7,3-6 |
| Challenger Liuzhou | 2018/10/22 04:15 | Duckhee Lee v Tsung-Hua Yang | 6-2,6-3 |
| Challenger Ningbo | 2018/10/15 05:50 | Tsung-Hua Yang v Alejandro Davidovich Fokina | 3-6,5-7 |
| Challenger Tashkent | 2018/10/08 12:15 | Alexander Bublik v Tsung-Hua Yang | 3-6,6-3,6-4 |
| Challenger Da Nang | 2019/01/07 04:00 | Teymuraz Gabashvili v Daniel Nguyen | 2-6,4-6 |
| ITF M25 Los Angeles | 2019/01/04 20:25 | Brandon Holt v Daniel Nguyen | 6-4,6-2 |
| ITF M25 Los Angeles | 2019/01/03 19:15 | Daniel Nguyen v Alexander Lebedev | 7-6,6-4 |
| ITF M25 Los Angeles | 2019/01/01 19:40 | Alexis Gautier v Daniel Nguyen | 1-6,2-6 |
| Challenger Champaign | 2018/11/10 17:40 | Daniel Nguyen v Ruan Roelofse | 2-6,2-6 |
| Challenger Knoxville | 2018/11/04 22:45 | Nathaniel Lammons v Daniel Nguyen | 6-4,3-6,6-4 |
| Challenger Charlottesville | 2018/10/27 18:30 | Mikael Ymer v Daniel Nguyen | 3-6,6-2,6-4 |
| Challenger Las Vegas | 2018/10/20 17:00 | Daniel Nguyen v Thai-Son Kwiatkowski | 2-6,3-6 |