2011 Farmers Classic – Singles

Sam Querrey was the defending champion but decided not to participate.

In the final, Ernests Gulbis defeated Mardy Fish in a close match, 5–7, 6–4, 6–4, becoming the first unseeded player to win this tournament since Radek Štěpánek in 2007.

Seeds
The first four seeds received a bye into the second round. • # 🇺🇸 Mardy Fish (final)

• # 🇦🇷 Juan Martín del Potro (quarterfinals)

• # 🇨🇾 Marcos Baghdatis (second round)

• # 🇧🇷 Thomaz Bellucci (quarterfinals)

• # 🇧🇪 Xavier Malisse (first round)

• # 🇷🇺 Dmitry Tursunov (first round)

• # 🇧🇬 Grigor Dimitrov (second round)

• # 🇷🇺 Igor Kunitsyn (quarterfinals)