ABNアムロ世界テニス・トーナメント
The 2015 ABN AMRO World Tennis Tournament (or Rotterdam Open) was a men's tennis tournament played on indoor hard courts. It took place at the Rotterdam Ahoy arena in the Dutch city of Rotterdam, between 9–15 February 2015. It was the 42nd edition of the Rotterdam Open, whose official name is the ABN AMRO World Tennis Tournament. The competition was part of the ATP World Tour 500 series of the 2015 ATP World Tour. Stan Wawrinka won the singles.