Juan Ignacio Chela defeated Oscar Hernandez 6-4 6-4 6-2 in the US Open round of 128 on hard. The upset overturned the form book — Oscar Hernandez came in defending last year's round of 128. Juan Ignacio Chela extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-17 | Kitzbuhel | QF | clay | Oscar Hernandez | 6-4 6-4 |
| 2004-03-01 | Acapulco | QF | hard | Juan Ignacio Chela | 3-6 6-0 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (143 vs 62). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About