| UTR Pro Tennis Series - Brisbane | 2021/07/27 02:00 | Tomislav E Papac v Zachary Viiala | 1-6,6-7 |
| UTR Pro Tennis Series - Brisbane | 2021/07/25 00:00 | Tomislav E Papac v Zachary Viiala | 3-6,2-6 |
| UTR Pro Tennis Series Canberra | 2021/12/07 23:30 | Jeremy Jin v Zachary Viiala | 6-4,4-6,6-1 |
| UTR Pro Tennis Series Canberra | 2021/12/07 01:00 | Nicholas De Vivo v Zachary Viiala | 0-6,4-6 |
| UTR Pro Tennis Series Carrara | 2021/11/05 23:00 | Zachary Viiala v Patrick C Beadman | 6-1,6-1 |
| 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 00:30 | Zachary Viiala v Calum Puttergill | 4-6,4-5 |
| UTR Pro Tennis Series Carrara | 2021/11/02 08:30 | Zachary Viiala v Dusan Rsovac | 1-6,6-3,3-6 |
| UTR Pro Tennis Series Carrara | 2021/11/01 03:30 | Zachary Viiala v Thomas Nicholas Gadecki | 3-6,4-6 |
| UTR Pro Tennis Series Carrara | 2021/10/24 03:00 | Zachary Viiala v Dusan Rsovac | 7-6,5-4 |
| UTR Pro Tennis Series Canberra | 2021/12/07 01:00 | Jeremy Jin v Tomislav E Papac | 6-1,5-7,6-4 |
| UTR Pro Tennis Series Canberra | 2021/12/06 02:30 | Tomislav E Papac v David Qariaqus | 6-1,6-3 |
| UTR Pro Tennis Series - Brisbane | 2021/07/30 02:00 | Tomislav E Papac v Casey Hoole | 6-4,4-6,3-5 |
| UTR Pro Tennis Series - Brisbane | 2021/07/28 00:30 | Tomislav E Papac v Scott Jones | 5-7,3-6 |
| UTR Pro Tennis Series - Brisbane | 2021/07/27 02:00 | Tomislav E Papac v Zachary Viiala | 1-6,6-7 |
| UTR Pro Tennis Series - Brisbane | 2021/07/26 03:00 | Louis Clark v Tomislav E Papac | 6-1,3-6,4-6 |
| UTR Pro Tennis Series - Brisbane | 2021/07/25 00:00 | Tomislav E Papac v Zachary Viiala | 3-6,2-6 |
| UTR Pro Tennis Series - Brisbane | 2021/07/23 00:30 | Alexander Crnokrak v Tomislav E Papac | 6-3,6-3 |