See main article: 2011 Swedish Open. Nicolás Almagro was the defending champion, but he lost to David Ferrer in the semifinals.
Top seed Robin Söderling won his second Swedish Open title by defeating David Ferrer 6–2, 6–2. It also became the last professional match of Söderling's career.
The top four seeds received a bye into the second round.
See main article: 2011 Swedish Open – Men's singles qualifying.