2021 Dubai Tennis Championships

The 2021 Dubai Tennis Championships (also known as the Dubai Duty Free Tennis Championships for sponsorship reasons) was an ATP 500 event on the 2021 ATP Tour and a WTA 1000 tournament on the 2021 WTA Tour. Both events were originally scheduled for February 15 to 21 and February 22 to 28 for women's and men's tournaments, respectively. They were rescheduled to March 7 to 13 and March 14 to 20 due to the Australian Open reschedule and were held at the Aviation Club Tennis Centre in Dubai, United Arab Emirates.

Men's singles

 * 🇷🇺 Aslan Karatsev def. Lloyd Harris, 6–3, 6–2

This was Karatsev's first ATP Tour singles title.

Women's singles

 * 🇪🇸 Garbiñe Muguruza def. 🇨🇿 Barbora Krejčíková, 7–6(8–6), 6–3

Men's doubles

 * 🇨🇴 Juan Sebastián Cabal / 🇨🇴 Robert Farah def. Nikola Mektić /  Mate Pavić, 7–6(7–0), 7–6(7–4)

Women's doubles

 * Alexa Guarachi / Darija Jurak def. 🇨🇳 Xu Yifan / 🇨🇳 Yang Zhaoxuan, 6–0, 6–3

Seeds

 * Rankings are as of March 8, 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇹🇳 Malek Jaziri
 * 🇷🇺 Aslan Karatsev
 * 🇦🇹 Dennis Novak
 * 🇦🇺 Alexei Popyrin

The following player received entry using as a special exempt:
 * 🇦🇺 Matthew Ebden

The following players received entry from the qualifying draw:
 * 🇮🇳 Yuki Bhambri
 * Lloyd Harris
 * 🇰🇿 Mikhail Kukushkin
 * 🇦🇺 Christopher O'Connell
 * 🇫🇮 Emil Ruusuvuori
 * 🇪🇸 Bernabé Zapata Miralles

The following players received entry as lucky losers:
 * 🇲🇩 Radu Albot
 * 🇮🇹 Lorenzo Giustino

Withdrawals

 * Before the tournament
 * 🇮🇹 Matteo Berrettini → replaced by 🇪🇸 Alejandro Davidovich Fokina
 * Borna Ćorić → replaced by 🇮🇹 Lorenzo Giustino
 * Roger Federer → replaced by 🇯🇵 Yoshihito Nishioka
 * 🇦🇺 Nick Kyrgios → replaced by Aljaž Bedene
 * 🇫🇷 Gaël Monfils → replaced by 🇭🇺 Márton Fucsovics
 * Stan Wawrinka → replaced by 🇲🇩 Radu Albot

Retirements

 * 🇦🇺 Matthew Ebden
 * 🇫🇷 Jo-Wilfried Tsonga

Seeds

 * Rankings are as of March 8, 2021.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * Omar Alawadhi / Hamad Abbas Janahi
 * 🇨🇦 Vasek Pospisil / 🇷🇸 Nenad Zimonjić

The following pair received entry from the qualifying draw:
 * 🇮🇹 Lorenzo Sonego / 🇮🇹 Andrea Vavassori

Withdrawals

 * Before the tournament
 * 🇫🇮 Henri Kontinen / 🇫🇷 Édouard Roger-Vasselin → replaced by 🇫🇮 Henri Kontinen / 🇦🇺 Jordan Thompson
 * 🇧🇪 Sander Gillé / 🇧🇪 Joran Vliegen → replaced by 🇧🇪 David Goffin / 🇧🇪 Joran Vliegen
 * 🇷🇺 Karen Khachanov / 🇷🇺 Andrey Rublev → replaced by Marcelo Arévalo /  Matwé Middelkoop

Seeds

 * Rankings are as of March 1, 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇭🇺 Tímea Babos
 * 🇺🇸 Coco Gauff
 * 🇷🇺 Anastasia Potapova

The following player received entry into the singles main draw using a protected ranking:
 * 🇰🇿 Yaroslava Shvedova

The following players received entry from the qualifying draw:
 * 🇷🇴 Irina-Camelia Begu
 * 🇷🇴 Ana Bogdan
 * 🇪🇪 Kaia Kanepi
 * Ana Konjuh
 * Liang En-shuo
 * 🇨🇿 Tereza Martincová
 * 🇺🇦 Lesia Tsurenko
 * 🇺🇦 Katarina Zavatska

The following players received entry as lucky losers:
 * 🇯🇵 Misaki Doi
 * 🇧🇬 Viktoriya Tomova
 * 🇮🇹 Martina Trevisan

Withdrawals

 * Before the tournament
 * 🇨🇦 Bianca Andreescu → replaced by 🇫🇷 Alizé Cornet
 * 🇧🇾 Victoria Azarenka → replaced by 🇮🇹 Martina Trevisan
 * 🇪🇸 Paula Badosa → replaced by 🇯🇵 Misaki Doi
 * 🇦🇺 Ashleigh Barty → replaced by 🇨🇿 Kateřina Siniaková
 * 🇺🇸 Jennifer Brady → replaced by 🇺🇸 Bernarda Pera
 * 🇺🇸 Danielle Collins → replaced by 🇨🇿 Kristýna Plíšková
 * 🇫🇷 Fiona Ferro → replaced by 🇧🇬 Viktoriya Tomova
 * 🇷🇴 Simona Halep → replaced by 🇺🇸 Jessica Pegula
 * 🇺🇸 Sofia Kenin → replaced by 🇫🇷 Kristina Mladenovic
 * 🇵🇱 Magda Linette → replaced by Jil Teichmann
 * 🇨🇿 Karolína Muchová → replaced by 🇨🇿 Barbora Krejčíková
 * 🇰🇿 Yulia Putintseva → replaced by 🇪🇸 Paula Badosa
 * 🇺🇸 Alison Riske → replaced by Anastasija Sevastova
 * 🇨🇿 Barbora Strýcová → replaced by 🇩🇪 Laura Siegemund
 * Donna Vekić → replaced by 🇷🇴 Patricia Maria Țig
 * 🇨🇳 Zhang Shuai → replaced by 🇺🇸 Shelby Rogers

Retirements

 * 🇨🇿 Petra Kvitová (right adductor)

Seeds

 * Rankings are as of March 1, 2021.

Other entrants
The following pairs received a wildcard into the doubles main draw:
 * Sarah Behbehani / 🇹🇷 Çağla Büyükakçay
 * 🇬🇧 Eden Silva / Rosalie van der Hoek

The following pairs received entry into the doubles main draw using protected rankings:
 * 🇷🇺 Natela Dzalamidze / 🇸🇪 Cornelia Lister
 * Andreja Klepač / 🇮🇳 Sania Mirza
 * 🇷🇸 Aleksandra Krunić / 🇷🇺 Alexandra Panova
 * 🇰🇿 Elena Rybakina / 🇰🇿 Yaroslava Shvedova

Withdrawals

 * Before the tournament
 * 🇨🇳 Zhang Shuai / 🇨🇳 Zheng Saisai → replaced by 🇺🇸 Shelby Rogers / 🇨🇳 Zheng Saisai
 * 🇨🇦 Sharon Fichman / 🇷🇴 Monica Niculescu → replaced by 🇷🇴 Monica Niculescu / 🇷🇺 Anastasia Potapova

Retirements

 * 🇷🇴 Monica Niculescu / 🇷🇺 Anastasia Potapova (eye injury)