|Full name||Martijn van Haasteren|
|Country (sports)|| Netherlands|
|Born||12 September 1980|
|Highest ranking||No. 474 (6 February 2006)|
|Highest ranking||No. 117 (12 February 2007)|
Originally representing the Netherlands, van Haasteren played on tour mostly as a doubles specialist.
He appeared in 11 ATP Tour tournaments from 2006 to 2008, mainly with countryman Jasper Smit, with whom he made the quarter-finals of the events in Amersfoort and Zagreb. The pair also won three Challenger titles. One of those came against future world number one doubles player Jamie Murray and partner Colin Fleming, in Dublin. He reached his career best doubles ranking of 117 in 2007.
|1.||2006||Dublin, Ireland||Carpet||Jasper Smit|| Colin Fleming
|6-3, 2-6, [10-8]|
|2.||2006||Helsinki, Finland||Hard||Jasper Smit|| Ernests Gulbis
|3.||2007||Grenoble, France||Hard||Jasper Smit|| Frederik Nielsen