The 1990 ABN World Tennis Tournament (known as such in 1990 for sponsorship reasons) was a men's tennis tournament played on indoor carpet courts. It was the 18th edition of the event known that year as the ABN World Tennis Tournament, and part of the ATP World Series of the 1990 ATP Tour. It took place at the Ahoy Rotterdam arena in Rotterdam, Netherlands, from 26 February through 4 March 1990. Brad Gilbert won the singles title.

Brad Gilbert defeated Jonas Svensson 6–1, 6–3

Leonardo Lavalle / Jorge Lozano defeated Diego Nargiso / Nicolas Pereira 7–6, 6–4