Estádio: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger - Burnie | 2019/01/23 03:20 | Guilherme Clezar v Jeremy Beale | 2-6,4-6 |
| Open da Austrália | 2019/01/08 03:30 | Guilherme Clezar v Rudolf Molleker | 6-7,6-7 |
| Challenger - Numeá | 2018/12/31 01:50 | Tomas Barrios Vera v Guilherme Clezar | 4-6,6-2,6-3 |
| Challenger - Buenos Aires | 2018/11/16 18:10 | Guilherme Clezar v Federico Coria | 6-7,5-7 |
| Challenger - Buenos Aires | 2018/11/15 17:00 | Martin Cuevas v Guilherme Clezar | 4-6,1-6 |
| Challenger - Buenos Aires | 2018/11/12 16:05 | Miljan Zekic v Guilherme Clezar | 3-6,2-6 |
| Challenger - Montevideo | 2018/11/06 19:45 | Guilherme Clezar v Pedro Sousa | 1-6,2-6 |
| Challenger - Guaiaquil | 2018/10/30 15:30 | Facundo Arguello v Guilherme Clezar | 4-6,6-2,6-1 |
| Challenger - Launceston | 2019/01/28 00:25 | Aleksandar Vukic v Tsung-Hua Yang | 3-6,2-6 |
| Challenger - Burnie | 2019/01/21 01:25 | Sebastian Fanselow v Tsung-Hua Yang | 6-4,6-3 |
| Challenger - Da Nang | 2019/01/10 06:00 | Tsung-Hua Yang v Thai-Son Kwiatkowski | 4-6,6-7 |
| Challenger - Da Nang | 2019/01/09 05:00 | Tsung-Hua Yang v Sumit Nagal | 2-6,6-1,6-0 |
| Challenger - Da Nang | 2019/01/08 05:00 | Tsung-Hua Yang v Daniel Nguyen | 6-3,6-4 |
| Open da Austrália - Wild Card | 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 |