2004 AAPT Championships – Singles

Nikolay Davydenko was the defending champion but did not compete that year.

Dominik Hrbatý won in the final 6–4, 6–0 against Michaël Llodra.

Seeds

 * 1)  Wayne Ferreira (first round)
 * 2) 🇺🇸 Vince Spadea (quarterfinals)
 * 3) 🇫🇷 Arnaud Clément (second round)
 * 4) 🇺🇸 Robby Ginepri (first round)
 * 5) 🇺🇸 Taylor Dent (semifinals)
 * 6) 🇫🇮 Jarkko Nieminen (semifinals)
 * 7) 🇪🇸 Alberto Martín (second round)
 * 8) 🇪🇨 Nicolás Lapentti (second round)