Stadium: Hume Tennis & Community Centre - Court 05 Ground: Hardcourt outdoor
Referee:
| ITF M25 Launceston | 2025/02/25 01:52 | Sam Ryan Ziegann v Naoki Tajima | 1-6,3-6 |
| ITF M25 Timaru | 2025/02/11 00:30 | Woobin Shin v Sam Ryan Ziegann | 6-3,6-3 |
| ITF M25 Timaru | 2025/02/09 21:00 | Sam Ryan Ziegann v Finn Willman | 6-4,7-6 |
| Challenger Brisbane | 2025/01/27 00:00 | Sam Ryan Ziegann v Jacob Brumm | 6-4,2-6,3-6 |
| Challenger Brisbane | 2025/01/26 00:00 | Keisuke Saitoh v Sam Ryan Ziegann | 2-6,4-6 |
| ITF M15 Tauranga | 2024/12/19 01:20 | Sam Ryan Ziegann v Jake Delaney | 1-6,1-6 |
| ITF M15 Tauranga | 2024/12/18 02:00 | Sam Ryan Ziegann v Anton Shepp | 2-6,6-2,7-5 |
| ITF M15 Wellington | 2024/12/11 00:20 | Ethan Cook v Sam Ryan Ziegann | 6-3,6-4 |