Stadium: Court 9 Round: 62 Ground: Hardcourt outdoor
| UTR Pro Tennis Series Sydney | 2022/08/30 03:30 | Lawrence Bataljin v Sam Oster | 6-3,5-1 |
| ITF M25 Canberra | 2022/03/21 01:30 | Lawrence Bataljin v Sam Oster | 6-4,6-4 |
| ITF M15 Caloundra | 2023/07/23 01:00 | William Jesser v Sam Oster | 3-6,1-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/02 05:45 | Sam Oster v Corban Crowther | 1-6,2-6 |
| 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 Klosters | 2023/07/02 14:50 | Lawrence Bataljin v Gian Luca Tanner | 1-6,2-6 |
| ITF M15 Jakarta | 2023/06/26 02:00 | Lucky Candra Kurniawan v Lawrence Bataljin | 7-5,6-3 |
| ITF M15 Jakarta | 2023/06/18 05:00 | Lawrence Bataljin v Tommy Czaplinski | 4-6,3-6 |
| ITF M15 Jakarta | 2023/06/12 03:30 | Yurii Dzhavakian v Lawrence Bataljin | 6-2,6-1 |
| ITF M25 Jakarta | 2023/06/06 02:00 | Lawrence Bataljin v Vadym Konovchuk | 3-6,6-2,5-10 |
| ITF M25 Jakarta | 2023/06/05 04:30 | Lawrence Bataljin v Chinmaya Dev Chauhan | 4-6,6-0,10-5 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Winter Meagher v Lawrence Bataljin | 4-6,6-1,10-8 |
| ITF M15 Antalya | 2023/05/08 13:50 | Charlie Camus v Lawrence Bataljin | 7-5,6-0 |