Pedro Sousa defeated Leonardo Mayer 6-2 6-4 in the Santiago round of 32 on clay. The upset overturned the form book — Leonardo Mayer came in leading the head-to-head 1–0, defending last year's round of 32, but Pedro Sousa had been the form player, winning 4 of their last 7 on clay. Pedro Sousa claimed a first win over Leonardo Mayer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-04-25 | Estoril | R32 | clay | Leonardo Mayer | 6-1 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (65 vs 17). ATP, WTA & Challenger.