2008 U.S. Men's Clay Court Championships – Singles

Ivo Karlović was the defending champion, but chose not to participate that year. Seventh-seeded Marcel Granollers-Pujol won in the final 6–4, 1–6, 7–5, against James Blake.

2008 U.S. Men's Clay Court Championships – Singles

Ivo Karlović was the defending champion, but chose not to participate that year. Seventh-seeded Marcel Granollers-Pujol won in the final 6–4, 1–6, 7–5, against James Blake.