| UTR Pro Tennis Series Brisbane | 2021/09/25 23:00 | Sam Oster v Leo Phijidvijan | 4-6,6-4,6-1 |
| UTR Pro Tennis Series Brisbane | 2021/09/24 01:00 | Cade Birrell v Sam Oster | 6-2,6-4 |
| UTR Pro Tennis Series Brisbane | 2021/09/23 04:30 | Jayden Court v Sam Oster | 6-3,6-3 |
| UTR Pro Tennis Series Brisbane | 2021/09/22 07:30 | Alexander Crnokrak v Sam Oster | 6-2,5-1 |
| UTR Pro Tennis Series Brisbane | 2021/09/20 01:30 | Tai Leonard Sach v Sam Oster | 3-6,4-6 |
| UTR Pro Tennis Series Brisbane | 2021/07/31 00:30 | Jeremy Jin v Sam Oster | 7-6,5-3 |
| UTR Pro Tennis Series Brisbane | 2021/07/29 23:00 | Moerani Bouzige v Sam Oster | 6-4,5-4 |
| UTR Pro Tennis Series Brisbane | 2021/07/29 00:30 | Sam Ryan Ziegann v Sam Oster | 1-3 |