Stadium: Court 1 Round: 62 Ground: Clay
| ITF - M15 Meerbusch | 2023/04/23 08:00 | Sam Oster v Tom Schonenberg | 4-6,1-6 |
| Canberra, Singles M-ITF-AUS-06A | 2023/03/19 02:30 | Sam Oster v Zachary Adam-Gedge | 3-6,4-6 |
| Canberra, Singles M-ITF-AUS-06A | 2023/03/11 23:00 | Sam Oster v Puttergill, Liam | 1-6,6-3,5-10 |
| ITF - M25 Swan Hill | 2023/02/28 00:30 | Sam Oster v Cooper Errey | 3-6,6-3,4-10 |
| ITF - M25 Swan Hill | 2023/02/20 01:30 | Brian Capalnean v Sam Oster | 6-4,6-4 |
| ITF M25 Burnie | 2023/02/08 06:20 | Thomas Fancutt v Sam Oster | 6-1,6-1 |
| ITF M25 Burnie | 2023/02/05 23:00 | Rhys Searant v Sam Oster | 3-6,3-6 |
| ITF M25 Burnie | 2023/02/05 00:00 | Adrian Arcon v Sam Oster | 6-2,4-6,3-10 |
| ITF M25 Pardubice | 2022/09/18 11:00 | Jiri Krouzek v Jirousek, Tomas | 1-6,1-6 |
| ITF M15 Bad Waltersdorf | 2022/08/15 07:00 | Jiri Krouzek v Jakub Kroslak | 6-7,2-6 |
| ITF M15 Bad Waltersdorf | 2022/08/14 11:30 | Jiri Krouzek v Radovan Michalik | 6-3,5-7,17-15 |
| ITF M25 Jablonec Nad Nisou | 2022/05/25 07:55 | Jiri Krouzek v Jiri Barnat | 1-6,6-4,1-6 |
| ITF M25 Jablonec Nad Nisou | 2022/05/22 09:30 | Jiri Krouzek v Hoeveler, Leon | 7-6,6-1 |
| ITF M25 Most | 2022/05/18 07:55 | Andrew Paulson v Jiri Krouzek | 6-1,6-1 |
| ITF M25 Prague | 2022/05/08 13:00 | Jiri Krouzek v Matyas Cerny | 1-6,1-6 |
| ITF M25 Most | 2021/05/25 11:50 | Jiri Krouzek v Facundo Diaz Acosta | 4-6,3-6 |