| ITF M15 Caloundra | 2023/08/02 03:20 | Tai Leonard Sach v Sam Oster | 6-1,6-3 |
| ITF M15 Tauranga | 2022/12/18 03:25 | Tai Leonard Sach v Sam Oster | 7-6,6-3 |
| UTR Pro Tennis Series Brisbane | 2021/09/20 01:30 | Tai Leonard Sach v Sam Oster | 3-6,4-6 |
| UTR Pro Carrara | 2023/08/18 03:30 | Jayden Lewindon v Sam Oster | 1-6,1-6 |
| UTR Pro Carrara | 2023/08/15 00:30 | Sam Ryan Ziegann v Sam Oster | 6-1,7-5 |
| UTR Pro Carrara | 2023/08/14 02:00 | Sam Oster v Alexey Shtengelov | 7-5,6-0 |
| UTR Pro Carrara | 2023/08/10 23:00 | Sam Oster v Tomislav E Papac | 4-6,4-6 |
| UTR Pro Carrara | 2023/08/09 06:00 | Sam Oster v Jeremy Beale | 0-6,1-6 |
| UTR Pro Carrara | 2023/08/07 23:00 | Sam Oster v Sam Ryan Ziegann | 6-4,4-6,6-7 |
| UTR Pro Carrara | 2023/08/07 00:30 | Thomas Hann v Sam Oster | 6-0,7-5 |
| ITF M15 Caloundra | 2023/08/02 03:20 | Tai Leonard Sach v Sam Oster | 6-1,6-3 |
| UTR Pro Carrara | 2023/08/18 02:00 | Scott Jones v Tai Leonard Sach | 6-1,6-1 |
| UTR Pro Carrara | 2023/08/16 23:00 | Lachlan Vickery v Tai Leonard Sach | 3-6,2-6 |
| UTR Pro Carrara | 2023/08/16 02:00 | Alec Braund v Tai Leonard Sach | 0-6,2-6 |
| UTR Pro Carrara | 2023/08/14 04:00 | Hugo Babakian v Tai Leonard Sach | 1-6,4-6 |
| UTR Pro Carrara | 2023/08/13 00:30 | Tai Leonard Sach v Thomas Hann | 3-6,5-7 |
| UTR Pro Carrara | 2023/08/12 02:00 | Tai Leonard Sach v Omar Fields | 6-4,7-6 |
| UTR Pro Carrara | 2023/08/11 04:00 | Tai Leonard Sach v Thomas Fancutt | 6-7,7-6,4-6 |
| UTR Pro Carrara | 2023/08/09 04:00 | Tai Leonard Sach v Elijah Cham | 2-6,6-2,5-4 |