Juan Ignacio Chela defeated Tommy Haas 6-4 6-2 in the Indian Wells Masters round of 16 on hard. The upset overturned the form book — Tommy Haas came in leading the head-to-head 2–1. Juan Ignacio Chela narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-24 | Vienna | R32 | hard | Tommy Haas | 6-7(3) 6-3 7-6(5) |
| 2004-04-19 | Monte Carlo Masters | R32 | clay | Juan Ignacio Chela | 6-4 1-6 6-3 |
| 2002-05-06 | Rome Masters | R32 | clay | Tommy Haas | 7-5 6-1 |
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 (200 vs 200). ATP, WTA & Challenger.