Leonardo Mayer defeated Juan Monaco 6-3 6-4 in the Nice quarter-final on clay. The upset overturned the form book — Juan Monaco came in leading the head-to-head 2–0. Leonardo Mayer claimed a first win over Juan Monaco in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-02-23 | Buenos Aires | R16 | clay | Juan Monaco | 6-4 6-4 |
| 2012-06-25 | Wimbledon | R128 | grass | Juan Monaco | 6-4 7-6(5) 7-6(5) |
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 73). ATP, WTA & Challenger.