Mariana Duque Mariño (born 12 August 1989) is a Colombian tennis player, born in Bogotá. Her career high rank is No. 77, achieved on 14 September 2015, Her doubles tour rank at 8 July 2013 was a career high of 100.Mariana's debuted on the International Tennis Federation (ITF) junior tour in 2004, As a junior, reached the final of the girls' singles tournament at the 2007 French Open, the Colombian defeated 10th-seeded Ksenia Pervak in the first round, and ousted World No.