Sam Oster defeated William Jesser 6-3 6-1 in the M15 Caloundra 1 q32 on hard. The result followed the form book — Sam Oster came in leading the head-to-head 1–0. Sam Oster extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-11 | M25 Darwin 1 | Q32 | hard | Sam Oster | 6-4 6-2 |