Gaston Arturo Grimolizzi defeated Andres Molteni 5-7 6-1 6-3 in the Chile F5 round of 16 on clay. The upset overturned the form book — Andres Molteni came in leading the head-to-head 5–0, but Gaston Arturo Grimolizzi had been the form player, winning 3 of their last 10 on clay. Gaston Arturo Grimolizzi claimed a first win over Andres Molteni in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-15 | Italy F4 | R32 | clay | Andres Molteni | 6-4 6-0 |
| 2009-06-15 | Argentina F9 | R16 | clay | Andres Molteni | 6-3 2-0 |
| 2008-05-12 | Argentina F2 | R16 | clay | Andres Molteni | 6-4 6-1 |
| 2008-05-05 | Argentina F1 | QF | clay | Andres Molteni | 6-3 2-6 7-6(7) |
| 2008-04-21 | Brazil F1 | R16 | clay | Andres Molteni | 6-1 4-6 6-1 |
Averages over each player's completed matches in the selected window (2 vs 114). 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. Small sample — read as indicative. About