The ATP Tournament Stockholm ( formally If Stockholm Open ) is a tennis tournament of the ATP Tour, which every year in late October or early November in Stockholm ( Sweden) is performed.
The first edition of the discharged on hard court competition was held in 1969. It will be carried out both a single and a double competition. From 1990 to 1994 the tournament for Super 9 series, the forerunner of the current ATP World Tour Masters 1000 series belonged.
John McEnroe and Boris Becker are the record winners of the Stockholm Open. They won the tournament four times.