Albert Costa defeated Nicolas Massu 3-6 6-3 6-3 in the Estoril round of 32 on clay. The upset overturned the form book — Nicolas Massu came in leading the head-to-head 3–1, defending last year's round of 32, but Albert Costa had been the form player, winning 3 of their last 7 on clay. Albert Costa narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-17 | Dusseldorf | RR | clay | Nicolas Massu | 4-1 RET |
| 2003-10-27 | Paris Masters | R32 | hard | Nicolas Massu | 3-6 6-1 7-5 |
| 2003-07-21 | Kitzbuhel | R32 | clay | Nicolas Massu | 6-7(9) 7-5 7-6(0) |
| 2003-03-17 | Miami Masters | R32 | hard | Albert Costa | 7-6(6) 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 (33 vs 181). ATP, WTA & Challenger.