Mikhail Kukushkin Mikhail Aleksandrovich Kukushkin (russian: link=no, Михаил Александрович Кукушкин; born 26 December 1987) is a Russian-born Kazakhstani professional tennis player. Before 2008, he played for his country of birth, Russ ...

was the defending champion but lost to

Michael Berrer Michael Berrer (born 1 July 1980) is a German retired professional tennis player. He reached his career-high singles ranking of world No. 42 in May 2010. Career 2010 He reached the quarterfinal at the Aircel Chennai Open in January, losing to ...

in the first round.

Marin Čilić Marin Čilić (; born 28 September 1988) is a Croatian professional tennis player. Čilić has won 20 ATP Tour singles titles, including a major at the 2014 US Open. He was also runner-up at the 2017 Wimbledon Championships and the 2018 Austral ...

won the tournament beating

Janko Tipsarević Janko Tipsarević ( sr-cyr, Јанко Типсаревић, ; born 22 June 1984) is a Serbian former tennis player. His career-high singles ranking is world No. 8, achieved on 2 April 2012. In his career, he won 4 ATP World Tour titles, one AT ...

in the final, 6–3, 3–6, 6–2.

Seeds

Qualifying

Draw

Finals

Top half

Bottom half

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:2011 St. Petersburg Open - Singles

2011 Singles Eleven or 11 may refer to: *11 (number), the natural number following 10 and preceding 12 * one of the years 11 BC, AD 11, 1911, 2011, or any year ending in 11 Literature * ''Eleven'' (novel), a 2006 novel by British author David Llewellyn *'' ...

St. Petersburg Open - Singles 2011 in Russian tennis