ABNアムロ世界テニス・トーナメント
The first Rotterdam Open tennis tournament was held in November 1972 and was won by Arthur Ashe. The following year the tournament was not organized because it switched to a March date. Originally the Rotterdam Open was an event of the World Championship Tennis circuit and in 1978 became part of the Grand Prix tennis circuit. Since 1990 it has been part of the ATP Tour.