| UTR Pro Tennis Series Brisbane | 2020/10/24 01:00 | Jayden Court v Sam Ryan Ziegann | 4-6,6-7 |
| UTR Pro Tennis Series Brisbane | 2020/10/23 05:30 | Scott Puodziunas v Sam Ryan Ziegann | 6-4,6-2 |
| ITF - M15 Cancun | 2020/03/09 14:00 | Sam Ryan Ziegann v Ryotaro Matsumura | 2-6,2-6 |
| ITF - M15 Te Anau | 2019/12/31 05:15 | Sam Ryan Ziegann v Shuichi Sekiguchi | 2-6,3-6 |
| ITF M25 Toowoomba | 2019/10/05 23:30 | Nicholas Horton v Sam Ryan Ziegann | 7-6,0-6,14-12 |
| ITF - M25 Brisbane | 2019/09/29 02:00 | Sam Ryan Ziegann v Nicholas Horton | 2-6,4-6 |
| ITF - M15 Cancun | 2019/09/09 15:00 | Sam Ryan Ziegann v Ryotaro Matsumura | 2-6,3-6 |
| ITF - M15 Cancun | 2019/08/26 14:30 | Jiaxi Ma v Sam Ryan Ziegann | 6-2,2-6,10-2 |
| UTR Pro Tennis Series Brisbane | 2021/02/27 23:30 | Calum Puttergill v Derek Pham | 3-6,6-4,5-6 |
| UTR Pro Tennis Series Brisbane | 2021/02/27 02:30 | Jeremy Jin v Derek Pham | 5-7,6-3,1-6 |
| UTR Pro Tennis Series Brisbane | 2021/02/26 05:00 | Jeremy Beale v Derek Pham | 1-6,3-5 |
| UTR Pro Tennis Series Brisbane | 2021/02/25 06:30 | Arjun Mehrotra v Derek Pham | 7-6,5-7,3-5 |
| UTR Pro Tennis Series Brisbane | 2021/02/23 03:00 | Moerani Bouzige v Derek Pham | 6-3,6-3 |
| UTR Pro Tennis Series Brisbane | 2021/02/22 03:30 | Derek Pham v Jack McCarthy | 6-2,7-6 |
| UTR Pro Tennis Series - Perth | 2020/07/31 06:00 | Derek Pham v Austin Vos | 3-6,2-2 |
| UTR Pro Tennis Series - Perth | 2020/07/09 04:30 | Derek Pham v Timothy Gray | 6-3,4-6,0-1 |