Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger - Burnie | 2019/01/23 03:20 | Clezar, Guilherme v Beale, Jeremy | 2-6,4-6 |
| Open d'Australie | 2019/01/08 03:30 | Clezar, Guilherme v Rudolf Molleker | 6-7,6-7 |
| Challenger Noumea | 2018/12/31 01:50 | Tomas Barrios Vera v Clezar, Guilherme | 4-6,6-2,6-3 |
| Challenger - Buenos Aires | 2018/11/16 18:10 | Clezar, Guilherme v Federico Coria | 6-7,5-7 |
| Challenger - Buenos Aires | 2018/11/15 17:00 | Cuevas, Martin v Clezar, Guilherme | 4-6,1-6 |
| Challenger - Buenos Aires | 2018/11/12 16:05 | Miljan Zekic v Clezar, Guilherme | 3-6,2-6 |
| Montevideo, Uruguay | 2018/11/06 19:45 | Clezar, Guilherme v Sousa, Pedro | 1-6,2-6 |
| Challenger Guayaquil | 2018/10/30 15:30 | Arguello, Facundo v Clezar, Guilherme | 4-6,6-2,6-1 |
| Challenger Launceston | 2019/01/28 00:25 | Aleksandar Vukic v Yang, Tsung-Hua | 3-6,2-6 |
| Challenger - Burnie | 2019/01/21 01:25 | Sebastian Fanselow v Yang, Tsung-Hua | 6-4,6-3 |
| Challenger Da Nang | 2019/01/10 06:00 | Yang, Tsung-Hua v Thai-Son Kwiatkowski | 4-6,6-7 |
| Challenger Da Nang | 2019/01/09 05:00 | Yang, Tsung-Hua v Sumit Nagal | 2-6,6-1,6-0 |
| Challenger Da Nang | 2019/01/08 05:00 | Yang, Tsung-Hua v Nguyen, Daniel | 6-3,6-4 |
| Open d'Australie Playoff Wilcard Australienne | 2018/11/28 04:45 | Yu Hsiou Hsu v Yang, Tsung-Hua | 6-3,6-1 |
| Challenger - Pune | 2018/11/20 09:05 | Gunneswaran, Prajnesh v Yang, Tsung-Hua | 6-4,6-4 |
| Challenger Bangalore | 2018/11/12 14:20 | Yang, Tsung-Hua v Ward, James | 6-7,4-6 |