Juan Martin Aranguren defeated Antonio Comporto 6-3 1-6 6-0 in the Italy F14 round of 16 on clay. The upset overturned the form book — Antonio Comporto came in leading the head-to-head 2–0. Juan Martin Aranguren claimed a first win over Antonio Comporto in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-23 | Italy F11 | R32 | clay | Antonio Comporto | 6-4 6-4 |
| 2009-05-04 | Italy F9 | R32 | clay | Antonio Comporto | 7-6(3) 0-6 7-6(2) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.