Juan Carlos Saez defeated Patricio Heras 6-3 6-4 in the Lima CH round of 16 on clay. The upset overturned the form book — Patricio Heras came in leading the head-to-head 2–1, but Juan Carlos Saez had been the form player, winning 6 of their last 10 on clay. Juan Carlos Saez narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-02-15 | USA F7 | R32 | clay | Juan Carlos Saez | 6-7(3) 7-6(1) 6-3 |
| 2012-10-15 | Chile F9 | QF | clay | Patricio Heras | 4-6 6-3 6-2 |
| 2011-05-23 | Brazil F15 | R16 | clay | Patricio Heras | 7-5 6-1 |
Averages over each player's completed matches in the selected window (67 vs 58). 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