Tristan Mccormick defeated Tiago Cacao 6-1 6-7 6-4 in the M25 Idanha-a-Nova 1 round of 16 on hard. Tristan Mccormick claimed a first win over Tiago Cacao in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-08-21 | M25 Idanha-a-Nova 2 | R16 | hard | Tiago Cacao | 6-7(4) 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.