2006 Countrywide Classic – Singles

Andre Agassi was the defending champion, but lost in the quarterfinals this year.

Tommy Haas won the tournament, beating Dmitry Tursunov in the final, 4–6, 7–5, 6–3.

Seeds
• # 🇺🇸 Andy Roddick (quarterfinals, withdrew due to an oblique muscle injury)

• # 🇦🇺 Lleyton Hewitt (first round)

• # Fernando González (semifinals)

• # 🇺🇸 Robby Ginepri (quarterfinals)

• # 🇺🇸 Andre Agassi (quarterfinals)

• # 🇩🇪 Tommy Haas (champion)

• # 🇸🇰 Dominik Hrbatý (semifinals)

• # 🇷🇺 Dmitry Tursunov (final)