Martin Cuevas defeated Patricio Heras 6-3 6-3 in the Peru F2 round of 16 on clay. The upset overturned the form book — Patricio Heras came in leading the head-to-head 4–2. Martin Cuevas narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-11-27 | Argentina F11 | QF | clay | Martin Cuevas | 2-6 6-3 7-6(3) |
| 2013-11-25 | Brazil F18 | R16 | clay | Martin Cuevas | 3-6 6-1 6-4 |
| 2013-07-15 | Argentina F12 | F | clay | Patricio Heras | 7-6(2) 4-6 6-3 |
| 2013-07-08 | Argentina F11 | R32 | clay | Patricio Heras | 6-3 6-7(2) 6-4 |
| 2012-02-13 | Brazil F7 | R16 | clay | Patricio Heras | 7-5 6-2 |
| 2008-11-24 | Uruguay F1 | R32 | clay | Patricio Heras | 7-5 6-4 |
Averages over each player's completed matches in the selected window (182 vs 48). 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