2009 Pilot Pen Tennis – Men's singles

Marin Čilić was the defending champion, but chose not to participate that year.

Fernando Verdasco won in the final 6–4, 7–6(8–6) against Sam Querrey.

Seeds
All seeds receive a bye into the second round.


 * 1) 🇷🇺 Nikolay Davydenko (quarterfinals)
 * 2) 🇪🇸 Fernando Verdasco (champion)
 * 3) 🇪🇸 Tommy Robredo (second round)
 * 4) 🇪🇸 David Ferrer (withdrew)
 * 5) 🇺🇸 Mardy Fish (second round)
 * 6) 🇺🇸 Sam Querrey (final)
 * 7) 🇷🇺 Igor Andreev (semifinals)
 * 8) 🇷🇴 Victor Hănescu (third round)
 * 9) 🇪🇸 Nicolás Almagro (second round)
 * 10) 🇫🇷 Jérémy Chardy (second round)
 * 11) 🇦🇹 Jürgen Melzer (quarterfinals)
 * 12) 🇩🇪 Philipp Petzschner (second round)
 * 13) 🇩🇪 Andreas Beck (second round)
 * 14) 🇷🇺 Igor Kunitsyn (third round)
 * 15) 🇫🇷 Fabrice Santoro (third round)
 * 16) 🇮🇹 Andreas Seppi (third round)