| UTR Pro Tennis Series Brisbane | 2021/07/22 23:00 | Nicholas Jovanovski v Sam Ryan Ziegann | 1-6,1-6 |
| ITF M25 Swan Hill | 2024/03/20 00:25 | Sam Ryan Ziegann v Pavle Marinkov | 0-6,3-6 |
| ITF M25 Swan Hill | 2024/03/19 00:50 | Sam Ryan Ziegann v Benjamin Loccisano | 6-2,6-3 |
| ITF M25 Swan Hill | 2024/03/18 01:30 | Sam Ryan Ziegann v Matthew Woerndle | 6-1,6-1 |
| ITF M25 Mildura | 2024/03/12 02:25 | Matt Hulme v Sam Ryan Ziegann | 7-5,6-3 |
| ITF M25 Traralgon | 2024/02/29 01:35 | Hiroki Moriya v Sam Ryan Ziegann | 3-6,7-6,6-1 |
| ITF M25 Traralgon | 2024/02/27 23:00 | Kousuke Ogura v Sam Ryan Ziegann | 3-6,3-6 |
| ITF M25 Traralgon | 2024/02/22 03:50 | Sam Ryan Ziegann v James McCabe | 6-7,6-4,2-6 |
| ITF M25 Traralgon | 2024/02/21 00:35 | Sam Ryan Ziegann v Brandon Walkin | 7-6,6-2 |
| ITF M25 Swan Hill | 2024/03/16 23:00 | Benjamin O'Connell v Nicholas Jovanovski | 6-4,7-6 |
| ITF M25 Mildura | 2024/03/09 22:00 | Sam Oster v Nicholas Jovanovski | 6-2,6-1 |
| ITF M25 Traralgon | 2024/02/25 01:30 | Nicholas Jovanovski v Benjamin Loccisano | 2-6,6-4,12-14 |
| ITF M25 Traralgon | 2024/02/18 01:30 | Julian Desousa v Nicholas Jovanovski | 6-4,7-6 |
| ITF M25 Darwin | 2023/09/19 07:00 | Henrik Wiersholm v Nicholas Jovanovski | 6-2,6-2 |
| ITF M25 Darwin | 2023/09/18 06:30 | Zachary Adam-Gedge v Nicholas Jovanovski | 2-6,3-6 |
| ITF M25 Darwin | 2023/09/11 06:30 | Jayden Court v Nicholas Jovanovski | 7-5,6-0 |
| ITF M25 Aldershot | 2023/08/13 09:00 | Alexis Canter v Nicholas Jovanovski | 6-4,6-2 |