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