| UTR Pro Tennis Series Adelaide | 2021/05/29 04:00 | Li Tu v Crnokrak, Alexander | 6-2,5-3 |
| UTR Pro Tennis Series Adelaide | 2021/05/28 03:30 | Crnokrak, Alexander v Maher, Will | 6-4,6-2 |
| UTR Pro Tennis Series Adelaide | 2021/05/27 02:00 | Crnokrak, Alexander v Puodziunas, Scott | 6-2,6-2 |
| UTR Pro Tennis Series Adelaide | 2021/05/26 06:00 | Moerani Bouzige v Crnokrak, Alexander | 3-6,2-5 |
| UTR Pro Tennis Series Adelaide | 2021/05/25 03:30 | Ethan Dunn v Crnokrak, Alexander | 3-6,3-5 |
| UTR Pro Tennis Series Canberra | 2021/04/21 03:00 | Crnokrak, Alexander v Calum Puttergill | 4-6,0-1 |
| UTR Pro Tennis Series Canberra | 2021/04/20 03:30 | Crnokrak, Alexander v Shuannon Tricerri | 6-0,6-2 |
| UTR Pro Tennis Series Canberra | 2021/04/18 23:30 | Crnokrak, Alexander v Dane Sweeny | 3-6,4-6 |
| UTR Pro Tennis Series Adelaide | 2021/05/30 03:00 | Ethan Dunn v van Rensburg, Sean | 4-6,1-6 |
| UTR Pro Tennis Series Adelaide | 2021/05/29 05:30 | van Rensburg, Sean v Tai Leonard Sach | 6-4,6-4 |
| UTR Pro Tennis Series Adelaide | 2021/05/28 00:30 | Corban Crowther v van Rensburg, Sean | 3-6,3-6 |
| UTR Pro Tennis Series Adelaide | 2021/05/27 00:33 | Ashwin Vijayragavan v van Rensburg, Sean | 6-4,6-7,6-3 |
| UTR Pro Tennis Series Bendigo | 2021/01/27 04:06 | van Rensburg, Sean v Ma, William | 7-6,4-6,5-7 |
| UTR Pro Tennis Series Bendigo | 2021/01/27 02:00 | van Rensburg, Sean v Addison, Aaron | 0-0 |
| UTR Pro Tennis Series Bendigo | 2021/01/26 03:30 | van Rensburg, Sean v Aidan Fitzgerald | 6-1,6-1 |
| UTR Pro Tennis Series Bendigo | 2021/01/25 02:00 | van Rensburg, Sean v Lawrence Bataljin | 3-6,6-3,6-2 |