Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Celje | 2023/06/26 08:00 | Miha Vetrih v Sam Oster | 6-0,6-2 |
| ITF M15 Store | 2023/06/19 08:30 | Pietro Pampanin v Sam Oster | 6-4,6-2 |
| ITF M15 Litija | 2023/06/12 11:00 | Sam Oster v Maurus Malgiaritta | 2-6,3-6 |
| ITF M15 Sarajevo | 2023/06/04 10:00 | Sam Oster v Nino Toto | 6-2,3-6,7-10 |
| ITF M15 Osijek | 2023/04/30 08:00 | Sam Oster v Jiri Krouzek | 4-6,3-6 |
| ITF M15 Meerbusch | 2023/04/23 08:00 | Sam Oster v Tom Schonenberg | 4-6,1-6 |
| ITF M25 Canberra | 2023/03/19 02:30 | Sam Oster v Zachary Adam-Gedge | 3-6,4-6 |
| ITF M25 Canberra | 2023/03/11 23:00 | Sam Oster v Liam Puttergill | 1-6,6-3,5-10 |
| ITF M15 Jakarta | 2023/06/13 05:50 | Timothy Phung v Corban Crowther | 6-4,3-6,15-13 |
| ITF M15 Jakarta | 2023/06/12 04:30 | Chirag Duhan v Corban Crowther | 6-7,4-6 |
| ITF M25 Jakarta | 2023/06/08 03:45 | Kokoro Isomura v Corban Crowther | 6-3,3-6,6-0 |
| ITF M25 Jakarta | 2023/06/07 05:00 | Corban Crowther v Ethan Cook | 6-7,7-6,6-4 |
| ITF M25 Jakarta | 2023/06/06 03:50 | Corban Crowther v Shivank Bhatnagar | 6-3,6-2 |
| ITF M25 Jakarta | 2023/06/05 05:05 | Corban Crowther v Lucky Candra Kurniawan | 6-1,6-2 |
| ITF M25 Jakarta | 2023/06/01 04:05 | Corban Crowther v Yanki Erel | 3-6,4-6 |
| ITF M25 Jakarta | 2023/05/31 05:05 | Gunawan Trismuwantara v Corban Crowther | 1-6,6-3,1-6 |