Guillermo Duran defeated Marco Trungelliti 6-3 6-1 in the Buenos Aires qualifying round 1 on clay. The upset overturned the form book — Marco Trungelliti came in leading the head-to-head 3–1. Guillermo Duran narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-16 | Paraguay F1 | QF | clay | Marco Trungelliti | 6-0 4-6 7-6(2) |
| 2010-11-29 | Chile F7 | QF | clay | Guillermo Duran | 7-6(4) 6-2 |
| 2010-06-07 | Argentina F8 | F | clay | Marco Trungelliti | 6-3 4-6 6-2 |
| 2009-09-28 | Argentina F17 | R16 | clay | Marco Trungelliti | 7-6(3) 3-6 6-4 |
Averages over each player's completed matches in the selected window (27 vs 200). ATP, WTA & Challenger.
Trungelliti M.: 6 days rest · 1 match, 22 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About