| ABN AMRO Open | |
|---|---|
 | |
| ATP Tour | |
| Tour | ATP Tour |
| Founded | 1972 |
| Editions | 51 (2024) |
| Location | Rotterdam, Netherlands |
| Venue | Rotterdam Ahoy |
| Category | ATP Tour 500 |
| Surface | Hard (Indoor) (1999–present) Deco-Turf (2009–2012) Proflex (2013–2018) Greenset (2019) Proflex (2020) |
| Draw | 32S / 16Q / 16D |
| Prize money | €2,134,985 (2024) |
| Website | abnamro-open.nl |
| Current champions (2024) | |
| Singles |  Jannik Sinner |
| Doubles |  Nikola Mektić Wesley Koolhof |
The ABN AMRO Open, also known as the Rotterdam Open, and formerly known as: ABN AMRO World Tennis Tournament (until 2022), is a professional men's tennis tournament played on indoor hard courts. It is part of the ATP Tour 500 series on the ATP Tour and has been held annually at Rotterdam Ahoy in Rotterdam, Netherlands.