| UTR Pro Match Series | 2021/09/21 04:30 | Crnokrak, Alexander v Cade Birrell | 5-7,7-6,5-3 |
| UTR Pro Match Series | 2021/09/20 01:30 | Jayden Court v Crnokrak, Alexander | 5-7,2-6 |
| UTR Pro Match Series | 2021/07/30 00:30 | Crnokrak, Alexander v Jeremy Jin | 6-3,5-2 |
| UTR Pro Match Series | 2021/07/28 23:00 | Crnokrak, Alexander v Jayden Court | 6-1,6-3 |
| UTR Pro Match Series | 2021/07/27 23:00 | Edward Winter v Crnokrak, Alexander | 6-1,2-6,3-6 |
| UTR Pro Match Series | 2021/07/26 23:00 | Pavle Marinkov v Crnokrak, Alexander | 0-6,0-6 |
| UTR Pro Match Series | 2021/07/25 01:30 | Crnokrak, Alexander v Hoole, Casey | 6-4,6-3 |
| UTR Pro Match Series | 2021/07/24 05:59 | Crnokrak, Alexander v Timothy Gray | 6-1,5-2 |
| UTR Pro Match Series | 2021/09/20 01:30 | Tai Leonard Sach v Sam Oster | 3-6,4-6 |
| UTR Pro Match Series | 2021/07/31 00:30 | Jeremy Jin v Sam Oster | 7-6,5-3 |
| UTR Pro Match Series | 2021/07/29 23:00 | Moerani Bouzige v Sam Oster | 6-4,5-4 |
| UTR Pro Match Series | 2021/07/29 00:30 | Sam Ryan Ziegann v Sam Oster | 1-3 |
| UTR Pro Match Series | 2021/07/28 02:00 | Winter Meagher v Sam Oster | 4-6,6-7 |
| UTR Pro Match Series | 2021/07/25 22:30 | Dusan Rsovac v Sam Oster | 6-3,6-5 |
| UTR Pro Match Series | 2021/02/27 04:00 | Talic, Zaharije-Zak v Sam Oster | 7-6,3-6,7-6 |
| UTR Pro Match Series | 2021/02/26 02:10 | Arjun Mehrotra v Sam Oster | 3-6,6-7 |