See main article: 2012 Porsche Tennis Grand Prix. Julia Görges was the defending champion, but she lost to Samantha Stosur in the second round.
Maria Sharapova won the title, defeating Victoria Azarenka in the final, 6–1, 6–4. Sharapova won the title after saving a match point in her quarterfinal match against Samantha Stosur. This tournament was the first since Wimbledon in 2009 in which the top four players in the world reached the semifinals.
The top four seeds received a bye into the second round.
