The 2021 Qatar Open (also known as 2021 Qatar ExxonMobil Open for sponsorship reasons) was the 29th edition of the Qatar Open, a men's tennis tournament which is played on outdoor hard courts. It was part of the ATP Tour 250 of the 2021 ATP Tour. It took place at the Khalifa International Tennis and Squash Complex in Doha, Qatar from 8 to 14 March 2021. The tournament was awarded the Tournament of the Year award in the 250 category from the 2019 ATP Awards for the third time in five years.
Champions
Singles
Nikoloz Basilashvili def. Roberto Bautista Agut, 7–6(7–5), 6–2
Doubles
Aslan Karatsev / Andrey Rublev def. Marcus Daniell / Philipp Oswald, 7–5, 6–4.
Points and prize money
Point distribution
Prize money
*per team
Singles main-draw entrants
Seeds
1 Rankings are as of 1 March 2021.
Other entrants
The following players received wildcards into the singles main draw: Malek Jaziri Aslan Karatsev Mubarak Shannan Zayid
The following players received entry from the qualifying draw: Lloyd Harris Christopher O'Connell Ramkumar Ramanathan Blaz Rola
The following player received entry as a lucky loser: Norbert Gombos
Withdrawals
Before the tournament
Kevin Anderson → replaced by Nikoloz Basilashvili
Pablo Carreño Busta → replaced by Richard Gasquet
Borna Ćorić → replaced by Norbert Gombos
Hubert Hurkacz → replaced by Alexander Bublik
Gaël Monfils → replaced by Vasek Pospisil
During the tournament
Márton Fucsovics
Richard Gasquet
Doubles main-draw entrants
Seeds
1 Rankings are as of 1 March 2021.
Other entrants
The following pairs received wildcards into the doubles main draw: Malek Jaziri / Mubarak Shannan Zayid Blaž Rola / Mousa Shanan Zayed