2009 Delray Beach International Tennis Championships – Singles

Kei Nishikori was the defending champion, but chose not to participate this year.

In the final, Mardy Fish defeated Evgeny Korolev, 7–5, 6–3.

Seeds
• # 🇺🇸 Mardy Fish (champion)

• # 🇺🇸 Sam Querrey (second round)

• # Ernests Gulbis (first round)

• # 🇷🇺 Igor Kunitsyn (first round)

• # 🇧🇪 Steve Darcis (first round)

• # 🇫🇷 Florent Serra (quarterfinals)

• # 🇫🇷 Jérémy Chardy (semifinals)

• # Lu Yen-hsun (second round)

Seeds
• # 🇺🇸 Wayne Odesnik (qualifying competition)

• # 🇰🇿 Evgeny Korolev (qualified)

• # 🇺🇸 Kevin Kim (withdrew due to being placed in the main draw for the Mexican Open)

• # 🇩🇪 Benjamin Becker (qualifying competition)

• # 🇩🇪 Simon Greul (first round)

• # 🇨🇦 Frank Dancevic (qualified)

• # 🇦🇺 Chris Guccione (first round, retired due to a left arm injury)

• # 🇺🇸 Donald Young (first round)

Qualifiers
• # 🇨🇦 Frank Dancevic

• # 🇰🇿 Evgeny Korolev

• # 🇺🇸 Taylor Dent

• # 🇺🇸 Ryan Sweeting