Ivan Endara defeated Guillermo Duran 6-3 6-4 in the Colombia F3 round of 16 on clay. The upset overturned the form book — Guillermo Duran came in leading the head-to-head 1–0. Ivan Endara claimed a first win over Guillermo Duran in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-11-10 | Peru F5 | R32 | clay | Guillermo Duran | 6-2 6-4 |
Averages over each player's completed matches in the selected window (105 vs 33). 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