Jared Thompkins defeated Sam Oster 4-6 6-1 10-7 in the M25 Canberra 4 q16 on clay. The upset overturned the form book — Sam Oster came in leading the head-to-head 1–0. Jared Thompkins claimed a first win over Sam Oster in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-03-20 | M25 Canberra 3 | Q64 | clay | Sam Oster | 6-0 |