| UTR Pro Tennis Series Brisbane | 2021/09/24 01:00 | Cade Birrell v Sam Oster | 6-2,6-4 |
| UTR Pro Tennis Series Carrara | 2021/11/05 02:00 | Calum Puttergill v Cade Birrell | 6-3,3-6,6-3 |
| UTR Pro Tennis Series Carrara | 2021/11/04 02:00 | Zachary Viiala v Cade Birrell | 7-5,5-3 |
| UTR Pro Tennis Series Carrara | 2021/11/03 02:00 | Thomas Nicholas Gadecki v Cade Birrell | 7-5,5-4 |
| UTR Pro Tennis Series Carrara | 2021/11/01 00:30 | Dusan Rsovac v Cade Birrell | 1-6,7-6,6-1 |
| UTR Pro Tennis Series Carrara | 2021/10/24 01:30 | Cade Birrell v Henry Lamchinniah | 1-6,6-4,2-5 |
| UTR Pro Tennis Series Carrara | 2021/10/22 23:00 | Cade Birrell v Tai Leonard Sach | 4-6,1-5 |
| UTR Pro Tennis Series Carrara | 2021/10/20 05:00 | Cade Birrell v Jacob Bradshaw | 7-6,6-6 |
| UTR Pro Tennis Series Carrara | 2021/10/19 23:00 | Cade Birrell v Jayden Court | 5-7,4-6 |
| UTR Pro Tennis Series Carrara | 2021/11/04 23:00 | Alexander Crnokrak v Sam Oster | 6-1,5-4 |
| UTR Pro Tennis Series Carrara | 2021/11/04 00:30 | Robert Stirling v Sam Oster | 7-5,5-4 |
| UTR Pro Tennis Series Carrara | 2021/11/01 23:00 | Louis Clark v Sam Oster | 6-0,3-6,7-6 |
| UTR Pro Tennis Series Carrara | 2021/10/31 23:00 | Sam Oster v Will Maher | 4-6,6-3,6-6 |
| UTR Pro Tennis Series Carrara | 2021/10/24 00:00 | Patrick C Beadman v Sam Oster | 6-3,6-0 |
| UTR Pro Tennis Series Carrara | 2021/10/23 00:30 | Zachary Viiala v Sam Oster | 6-3,6-0 |
| UTR Pro Tennis Series Carrara | 2021/10/22 01:00 | Calum Puttergill v Sam Oster | 6-2,5-1 |
| UTR Pro Tennis Series Carrara | 2021/10/19 01:30 | Blazo Djurovic v Sam Oster | 6-3,1-6,6-3 |