Lorenzo Sonego defeated Leonardo Mayer 6-1 5-7 6-4 in the ATP Rio de Janeiro round of 32 on clay. The upset overturned the form book — Leonardo Mayer came in leading the head-to-head 1–0. Lorenzo Sonego claimed a first win over Leonardo Mayer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-02-25 | Sao Paulo | R16 | clay | Leonardo Mayer | 6-1 3-6 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.