Yannick Mertens defeated Tiago Cacao 6-3 7-6 in the Portugal F11 qualifying round on hard. Yannick Mertens extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-23 | M15 Sintra 2 | QF | hard | Yannick Mertens | 6-3 6-7(8) 7-6(1) |
| 2018-02-19 | Portugal F1 | SF | hard | Tiago Cacao | 6-3 4-6 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Cacao T.: 6 days rest · 1 match, 19 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About