2005 Legg Mason Tennis Classic – Singles

Lleyton Hewitt was the defending champion, but did not participate.

Andy Roddick won in the final 7–5, 6–3, against James Blake.

Seeds
All seeds receive a bye into the second round. • # 🇺🇸 Andy Roddick (champion)

• # 🇺🇸 Andre Agassi (withdrew)

• # 🇬🇧 Tim Henman (second round)

• # 🇨🇿 Radek Štěpánek (second round)

• # 🇸🇰 Dominik Hrbatý (second round)

• # 🇩🇪 Nicolas Kiefer (withdrew)

• # 🇧🇾 Max Mirnyi (second round)

• # 🇫🇷 Sébastien Grosjean (third round)

• # Nicolás Massú (second round)

• # 🇨🇿 Tomáš Berdych (semifinals)

• # 🇬🇧 Greg Rusedski (third round)

• # 🇸🇰 Karol Beck (second round)

• # 🇹🇭 Paradorn Srichaphan (semifinals)

• # 🇦🇷 Juan Ignacio Chela (third round)

• # 🇧🇷 Ricardo Mello (second round)

• # 🇨🇿 Tomáš Zíb (third round)