Leonardo Mayer defeated Joao Souza 6-2 6-1 in the Roland Garros qualifying round 1 on clay. The result followed the form book — Leonardo Mayer came in leading the head-to-head 2–1, defending last year's round of 128. Leonardo Mayer extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-22 | Roland Garros | Q128 | clay | Leonardo Mayer | 6-2 6-1 |
| 2015-03-06 | Davis Cup WG R1: ARG vs BRA | RR | clay | Leonardo Mayer | 7-6 7-6 5-7 5-7 15-13 |
| 2015-02-09 | Sao Paulo | QF | clay | Joao Souza | 6-4 3-6 6-3 |
Averages over each player's completed matches in the selected window (170 vs 93). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About