2021 BMW Open

The 2021 BMW Open was a men's tennis tournament played on outdoor clay courts. It was the 105th edition of the event and part of the ATP Tour 250 series of the 2021 ATP Tour. It took place at the MTTC Iphitos complex in Munich, Germany, from 26 April until 2 May 2021.

Singles

 * Nikoloz Basilashvili def. 🇩🇪 Jan-Lennard Struff, 6–4, 7–6(7–5)

Doubles

 * Wesley Koolhof / 🇩🇪 Kevin Krawietz def. 🇧🇪 Sander Gillé / 🇧🇪 Joran Vliegen, 4–6, 6–4, [10–5]

Prize money

 * per team

Seeds

 * 1 Rankings are as of 19 April 2021.

Other entrants
The following players received wildcards into the main draw:
 * 🇩🇪 Yannick Hanfmann
 * 🇩🇪 Philipp Kohlschreiber
 * 🇩🇪 Maximilian Marterer

The following players received entry as special exempt:
 * 🇯🇵 Taro Daniel

The following players received entry from the qualifying draw:
 * 🇨🇴 Daniel Elahi Galán
 * 🇧🇾 Ilya Ivashka
 * 🇺🇸 Mackenzie McDonald
 * 🇩🇪 Cedrik-Marcel Stebe

The following players received entry as lucky losers:
 * 🇱🇹 Ričardas Berankis
 * 🇸🇰 Norbert Gombos
 * 🇸🇰 Andrej Martin

Withdrawals

 * Before the tournament
 * 🇬🇧 Dan Evans → replaced by 🇧🇾 Egor Gerasimov
 * 🇭🇺 Márton Fucsovics → replaced by 🇱🇹 Ričardas Berankis
 * 🇵🇱 Hubert Hurkacz → replaced by 🇧🇷 Thiago Monteiro
 * 🇷🇺 Aslan Karatsev → replaced by 🇸🇰 Norbert Gombos
 * 🇯🇵 Yoshihito Nishioka → replaced by Pablo Cuevas
 * 🇮🇹 Jannik Sinner → replaced by 🇺🇸 Sebastian Korda
 * 🇮🇹 Lorenzo Sonego → replaced by 🇦🇺 Alexei Popyrin
 * 🇮🇹 Stefano Travaglia → replaced by 🇸🇰 Andrej Martin
 * 🇨🇿 Jiří Veselý → replaced by 🇦🇷 Federico Coria


 * During the tournament
 * 🇩🇪 Yannick Hanfmann

Retirements

 * 🇧🇾 Egor Gerasimov
 * 🇦🇷 Guido Pella

Seeds

 * 1 Rankings are as of 19 April 2021

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇩🇪 Dustin Brown / 🇩🇪 Peter Gojowczyk
 * 🇧🇷 Marcelo Melo / 🇩🇪 Mischa Zverev

Withdrawals

 * Before the tournament
 * Wesley Koolhof / 🇵🇱 Łukasz Kubot → replaced by 🇰🇿 Andrey Golubev / 🇮🇹 Andrea Vavassori
 * 🇩🇪 Kevin Krawietz / 🇷🇴 Horia Tecău → replaced by 🇩🇪 Yannick Hanfmann / 🇩🇪 Dominik Koepfer
 * 🇧🇷 Marcelo Melo / Jean-Julien Rojer → replaced by 🇫🇮 Harri Heliövaara / 🇫🇮 Emil Ruusuvuori
 * 🇺🇸 Rajeev Ram / 🇬🇧 Joe Salisbury → replaced by Wesley Koolhof / 🇩🇪 Kevin Krawietz
 * 🇬🇧 Ken Skupski / 🇬🇧 Neal Skupski → replaced by 🇮🇱 Jonathan Erlich / 🇮🇳 Divij Sharan


 * During the tournament
 * 🇦🇷 Federico Coria / 🇦🇷 Guido Pella
 * 🇩🇪 Yannick Hanfmann / 🇩🇪 Dominik Koepfer
 * 🇬🇧 Jonny O'Mara / 🇵🇰 Aisam-ul-Haq Qureshi