2004 Hall of Fame Tennis Championships – Singles

Robby Ginepri was the defending champion, but did not participate.

Greg Rusedski won the title, defeating Alexander Popp 7–6(7–5), 7–6(7–2) in the final.

Seeds
• # 🇺🇸 Vince Spadea (quarterfinals)

• # 🇺🇸 James Blake (second round)

• # 🇦🇹 Jürgen Melzer (quarterfinals)

• # 🇫🇷 Grégory Carraz (first round)

• # 🇫🇷 Cyril Saulnier (semifinals)

• # 🇺🇸 Jan-Michael Gambill (first round)

• # 🇩🇪 Alexander Popp (final)

• # 🇫🇷 Antony Dupuis (semifinals)