Albert Costa defeated Juan Carlos Ferrero 2-6 6-3 6-4 in the Hamburg Masters round of 64 on clay. The upset overturned the form book — Juan Carlos Ferrero came in leading the head-to-head 4–2, defending last year's final. Albert Costa narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-24 | Barcelona | R16 | clay | Juan Carlos Ferrero | 6-1 5-7 7-5 |
| 2003-05-26 | Roland Garros | SF | clay | Juan Carlos Ferrero | 6-3 7-6(5) 6-4 |
| 2002-05-27 | Roland Garros | F | clay | Albert Costa | 6-1 6-0 4-6 6-3 |
| 2001-05-14 | Hamburg Masters | SF | clay | Juan Carlos Ferrero | 6-1 6-2 |
| 2001-04-23 | Barcelona | R16 | clay | Juan Carlos Ferrero | 6-4 3-6 6-3 |
| 1999-07-26 | Kitzbuhel | QF | clay | Albert Costa | 3-6 6-2 6-3 |
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 (174 vs 200). ATP, WTA & Challenger.