The 2006 U.S. Men's Clay Court Championships – Singles was an event of the 2006 U.S. Men's Clay Court Championships professional tennis tournament played on outdoor clay courts in Houston, Texas in the United States and was part of the International Series of the 2006 ATP Tour. The tournament was held from April 10 through April 17, 2006. The singles draw comprised 32 players and eight of them were seeded. Unseeded Mardy Fish won the singles title after a 3–6, 6–4, 6–3 win in the final against unseeded Jürgen Melzer.
Seeds A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Andy Roddick (quarterfinals) James Blake (first round) Robby Ginepri (first round) Marcos Baghdatis (second round, retired because of a back injury) Tommy Haas (semifinals, retired because of a wrist injury) Luis Horna (first round) Paul Goldstein (semifinals) Juan Mónaco (first round)
Draw
External links 2006 U.S. Men's Clay Court Championships draw 2006 U.S. Men's Clay Court Championships Qualifying draw