Colin Sinclair defeated Blake Ellis 7-6 3-6 7-6 in the M25 Cairns 2 round of 16 on hard. Colin Sinclair extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-10-11 | M25 Cairns 2 | QF | hard | Blake Ellis | 7-5 7-5 |
| 2022-10-08 | M25 Cairns 1 | SF | hard | Colin Sinclair | 4-6 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.