| UTR Pro Tennis Series Carrara | 2021/10/15 23:00 | Alexander Crnokrak v Sam Oster | 6-1,5-1 |
| UTR Pro Tennis Series Brisbane | 2021/09/22 07:30 | Alexander Crnokrak v Sam Oster | 6-2,5-1 |
| UTR Pro Tennis Series Carrara | 2021/11/02 23:00 | Alexander Crnokrak v Will Maher | 6-2,5-1 |
| UTR Pro Tennis Series Carrara | 2021/11/01 23:00 | Alexander Crnokrak v Robert Stirling | 6-1,7-5 |
| UTR Pro Tennis Series Carrara | 2021/10/31 23:00 | Louis Clark v Alexander Crnokrak | 3-6,1-5 |
| UTR Pro Tennis Series Carrara | 2021/10/24 03:00 | Akira Santillan v Alexander Crnokrak | 7-5,5-4 |
| UTR Pro Tennis Series Carrara | 2021/10/23 01:28 | Tai Leonard Sach v Alexander Crnokrak | 7-6,6-7,1-6 |
| UTR Pro Tennis Series Carrara | 2021/10/22 23:00 | Alexander Crnokrak v Robert Stirling | 6-0,6-2 |
| UTR Pro Tennis Series Carrara | 2021/10/22 00:00 | Alexander Crnokrak v Jack Moore | 6-3,5-4 |
| UTR Pro Tennis Series Carrara | 2021/10/20 02:45 | Joshua Ryan v Alexander Crnokrak | 2-6,1-6 |
| 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 |
| UTR Pro Tennis Series Carrara | 2021/10/18 00:00 | Sam Oster v Henry Lamchinniah | 4-6,6-3,6-1 |