See main article: 2012 MercedesCup. Juan Carlos Ferrero was the defending champion, but chose to compete in Umag.
Janko Tipsarević won the title against Juan Mónaco after defeating him 6–4, 5–7, 6–3 in the final.[1]
The top four seeds receive a bye into the second round.
The top two seeds receive a bye into the second round.