Leonardo Mayer defeated Joao Sousa 3-6 6-1 6-2 in the Estoril round of 32 on clay. The upset overturned the form book — Joao Sousa came in leading the head-to-head 2–0. Leonardo Mayer claimed a first win over Joao Sousa in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-20 | Geneva | R32 | clay | Joao Sousa | 6-2 6-7(6) 6-4 |
| 2016-07-18 | Umag | R16 | clay | Joao Sousa | 7-5 7-6(1) |
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 (200 vs 200). ATP, WTA & Challenger.