Nicolas Massu defeated Gustavo Kuerten 6-3 7-5 in the Madrid Masters round of 32 on clay. The upset overturned the form book — Gustavo Kuerten came in leading the head-to-head 2–1, defending last year's round of 64. Nicolas Massu narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-16 | Athens Olympics | R64 | hard | Nicolas Massu | 6-3 5-7 6-4 |
| 2002-08-26 | US Open | R32 | hard | Gustavo Kuerten | 6-1 5-4 RET |
| 2000-10-09 | Tokyo | R32 | hard | Gustavo Kuerten | 7-6(5) 6-0 |
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 116). ATP, WTA & Challenger.