| UTR Pro Tennis Series - Carrara | 2021/10/12 06:30 | Sam Ryan Ziegann v Alexander Crnokrak | 0-6,2-5 |
| UTR Pro Tennis Series - Carrara | 2021/10/11 00:30 | Patrick C Beadman v Sam Ryan Ziegann | 3-6,3-6 |
| UTR Pro Tennis Series - Brisbane | 2021/09/25 00:30 | Sam Ryan Ziegann v Tai Leonard Sach | 6-7,3-5 |
| UTR Pro Tennis Series - Brisbane | 2021/09/24 00:00 | Sam Ryan Ziegann v Patrick C Beadman | 6-7,6-2,6-5 |
| UTR Pro Tennis Series - Brisbane | 2021/09/23 04:30 | Sam Ryan Ziegann v Leo Phijidvijan | 6-1,5-1 |
| UTR Pro Tennis Series - Brisbane | 2021/09/22 00:00 | Scott Puodziunas v Sam Ryan Ziegann | 3-6,6-3,7-6 |
| UTR Pro Tennis Series - Brisbane | 2021/09/21 01:30 | Declan Townsend v Sam Ryan Ziegann | 1-6,4-6 |
| UTR Pro Tennis Series - Brisbane | 2021/07/29 00:30 | Sam Ryan Ziegann v Sam Oster | 1-3 |
| UTR Pro Tennis Series - Carrara | 2021/10/11 00:30 | Sam Oster v Jack Moore | 6-4,6-3 |