2021 ABN AMRO World Tennis Tournament

The 2021 ABN AMRO World Tennis Tournament (or Rotterdam Open) is a men's tennis tournament played on indoor hard courts. It is taking place at the Rotterdam Ahoy arena in the Dutch city of Rotterdam, between 1 and 7 March 2021. It is the 48th edition of the Rotterdam Open, and part of the ATP Tour 500 series on the 2021 ATP Tour. The tournament also included a Men's Wheelchair Tennis Singles and Doubles draw.

Singles
🇷🇺 Andrey Rublev defeated 🇭🇺 Márton Fucsovics, 7–6(7–4), 6–4
 * It was Rublev's only singles title of the year and the 8th of his career.

Doubles
Nikola Mektić / Mate Pavić defeated 🇩🇪 Kevin Krawietz / 🇷🇴 Horia Tecău, 7–6(9–7), 6–2

Prize money

 * per team

Other entrants
The following players received wildcards into the main draw:
 * Robin Haase
 * 🇬🇧 Andy Murray
 * Botic van de Zandschulp
 * 🇩🇪 Alexander Zverev

The following players received entry as Special Exempt into the main draw:
 * 🇧🇾 Egor Gerasimov

The following players received entry from the qualifying draw:
 * 🇫🇷 Jérémy Chardy
 * 🇭🇺 Márton Fucsovics
 * 🇺🇸 Marcos Giron
 * 🇬🇧 Cameron Norrie

Withdrawals

 * 🇮🇹 Matteo Berrettini → replaced by 🇫🇷 Adrian Mannarino
 * 🇪🇸 Pablo Carreño Busta → replaced by 🇮🇹 Lorenzo Sonego
 * 🇬🇧 Dan Evans → replaced by Nikoloz Basilashvili
 * 🇺🇸 Taylor Fritz → replaced by 🇺🇸 Tommy Paul
 * Filip Krajinović → replaced by 🇪🇸 Alejandro Davidovich Fokina
 * 🇫🇷 Gaël Monfils → replaced by 🇯🇵 Kei Nishikori
 * 🇪🇸 Rafael Nadal → replaced by 🇺🇸 Reilly Opelka
 * 🇨🇦 Milos Raonic → replaced by 🇰🇿 Alexander Bublik
 * 🇳🇴 Casper Ruud → replaced by 🇦🇺 John Millman
 * 🇨🇦 Denis Shapovalov → replaced by 🇩🇪 Jan-Lennard Struff

Seeds

 * 1 Rankings as of February 22, 2021.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * Robin Haase / Matwé Middelkoop
 * Petros Tsitsipas / Stefanos Tsitsipas

The following pair received entry from the qualifying draw:
 * Sander Arends / David Pel

Withdrawals

 * Before the tournament
 * Ivan Dodig / 🇸🇰 Filip Polášek → replaced by 🇯🇵 Ben McLachlan / 🇯🇵 Kei Nishikori
 * 🇺🇸 Rajeev Ram / 🇬🇧 Joe Salisbury → replaced by 🇧🇪 Sander Gillé / 🇧🇪 Joran Vliegen
 * 🇮🇹 Jannik Sinner / Stan Wawrinka → replaced by 🇷🇸 Dušan Lajović /  Stan Wawrinka
 * 🇫🇷 Pierre-Hugues Herbert / 🇫🇷 Nicolas Mahut → replaced by 🇫🇷 Pierre-Hugues Herbert / 🇩🇪 Jan-Lennard Struff