This article shows the results of the qualifying rounds for the Swiss Indoors Basel 2015 . Four players qualified for the tournament in the ATP World Tour 500 category , which were determined in two rounds. A total of 16 players took part in the qualification, which took place on October 24 and 25, 2015 in the St. Jakobshalle . In the doubles competition, a place in the main field was also awarded, which was determined in a qualification among four pairings.