Guillermo Coria was the defending champion but Rafael Nadal defeated him 6–3, 6–1, 0–6, 7–5 in the final. This was Nadal's first Masters Series title.

Seeds

  1. Switzerland Roger Federer (Quarterfinals)
  2. Russia Marat Safin (Third Round)
  3. United Kingdom Tim Henman (First Round)
  4. Argentina Gastón Gaudio (Quarterfinals)
  5. Spain Carlos Moyà (First Round)
  6. Argentina Guillermo Coria (Final)
  7. Sweden Joachim Johansson (First Round)
  8. Croatia Ivan Ljubičić (First Round)
  9. Argentina Guillermo Cañas (Second Round)
  10. Russia Nikolay Davydenko (Third Round)
  11. Spain Rafael Nadal (Champion)
  12. Sweden Thomas Johansson (First Round)
  13. Croatia Mario Ančić (Second Round)
  14. Slovakia Dominik Hrbatý (First Round)
  15. Czech Republic Radek Štěpánek (Second Round)
  16. Czech Republic Jiří Novák (Second Round)

Draw

Key

Finals

 QuarterfinalsSemifinalsFinal
                      
 1 Switzerland Roger Federer77268 
Q France Richard Gasquet616710 
 Q France Richard Gasquet7843 
 11 Spain Rafael Nadal6666 
4 Argentina Gastón Gaudio30
 11 Spain Rafael Nadal66 
  11 Spain Rafael Nadal6607
 6 Argentina Guillermo Coria3165
 6 Argentina Guillermo Coria366 
  Spain David Ferrer643 
6 Argentina Guillermo Coria67
 WC Spain Juan Carlos Ferrero25 
  Italy Filippo Volandri23
 WC Spain Juan Carlos Ferrero66 

Top Half

Section 1

First RoundSecond RoundThird RoundQuarterfinals
1Switzerland R Federer66
 United Kingdom G Rusedski311Switzerland R Federer66
 Morocco Y El Aynaoui13 Spain A Montañés34
 Spain A Montañés661Switzerland R Federer6636
 Spain F Verdasco45 Chile F González2774
 Chile F González67 Chile F González677
 Brazil G Kuerten5213Croatia M Ančić264
13Croatia M Ančić761Switzerland R Federer77268
10Russia N Davydenko566QFrance R Gasquet616710
 Austria J Melzer71310Russia N Davydenko776
 France M Llodra652 Spain A Costa622
 Spain A Costa77610Russia N Davydenko652
QFrance R Gasquet66QFrance R Gasquet476
QSpain G García-López20QFrance R Gasquet76
QSpain F Mantilla266QSpain F Mantilla51
7Sweden J Johansson632

Section 2

First RoundSecond RoundThird RoundQuarterfinals
4Argentina G Gaudio776
QBelgium C Rochus6324Argentina G Gaudio75
 Germany R Schüttler261 Germany N Kiefer52r
 Germany N Kiefer6264Argentina G Gaudio66
QRomania V Hănescu626QRomania V Hănescu20
 Argentina A Calleri360QRomania V Hănescu626
 United States V Spadea0515Czech Republic R Štěpánek360
15Czech Republic R Štěpánek674Argentina G Gaudio30
11Spain R Nadal6611Spain R Nadal66
WCFrance G Monfils3211Spain R Nadal66
 Argentina JI Chela25 Belgium X Malisse03
 Belgium X Malisse6711Spain R Nadal66
 Czech Republic T Berdych47777 Belgium O Rochus12
 Peru L Horna66361 Czech Republic T Berdych6462
 Belgium O Rochus66 Belgium O Rochus7736
8Croatia I Ljubičić22

Bottom Half

Section 3

First RoundSecond RoundThird RoundQuarterfinals
6Argentina G Coria67
WCFrance P-H Mathieu256Argentina G Coria66
QFrance T Ascione67QFrance T Ascione21
 Slovakia K Beck356Argentina G Coria776
 Italy P Starace35 Spain A Martín601
 Spain A Martín67 Spain A Martín66
WCFrance J-R Lisnard466WCFrance J-R Lisnard12
12Sweden T Johansson6426Argentina G Coria366
14Slovakia D Hrbatý43 Spain D Ferrer643
 Spain D Ferrer66 Spain D Ferrer66
QItaly A Seppi66QItaly A Seppi33
 Spain F López34 Spain D Ferrer31
 Sweden R Söderling635 Argentina M Zabaleta60r
 France F Santoro777 France F Santoro7734
 Argentina M Zabaleta646 Argentina M Zabaleta6166
3United Kingdom T Henman462

Section 4

First RoundSecond RoundThird RoundQuarterfinals
5Spain C Moyà61063
 Argentina M Puerta71216 Argentina M Puerta66
France J Benneteau33 Germany F Mayer21
 Germany F Mayer66 Argentina M Puerta78634
 Italy F Volandri76 Italy F Volandri66776
 Australia W Arthurs52 Italy F Volandri626
 Russia I Andreev61019Argentina G Cañas463
9Argentina G Cañas7126 Italy F Volandri23
16Czech Republic J Novák366WCSpain JC Ferrero66
 Belarus M Mirnyi64316Czech Republic J Novák623
WCSpain JC Ferrero66WCSpain JC Ferrero366
 Croatia I Karlović41WCSpain JC Ferrero66
 France C Saulnier662Russia M Safin24
 Thailand P Srichaphan24 France C Saulnier31
 South Korea L Hyung-Taik052Russia M Safin66
2Russia M Safin67