Rafael Nadal defeated Ivan Ljubičić in the final, 3–6, 2–6, 6–3, 6–4, 7–6(7–3) to win the singles tennis title at the 2005 Madrid Open. This would remain his sole indoor hardcourt title for the entirety of his career.
Marat Safin was the reigning champion, but chose not to compete.
Seeds A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. All sixteen seeds received a bye into the second round.
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying
Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
References
External links 2005 Mutua Madrilena Masters Madrid Draw