Colin Sinclair defeated Casey Hoole 6-3 6-3 in the M15 Caloundra 1 round of 16 on hard. The result followed the form book — Colin Sinclair came in leading the head-to-head 1–0. Colin Sinclair extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-04 | M15 Caloundra 2 | QF | hard | Colin Sinclair | 4-6 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.