2021 Andalucía Open

The 2021 Andalucía Open (also known as the 2021 AnyTech365 Andalucía Open for sponsorship reasons) was a tournament on the 2021 ATP Tour. It was played on outdoor clay courts in Marbella, Spain. It was organised with a single-year licence in 2021, and was held at Club de Tennis Puente Romano from April 5 to 11, 2021. This was the 4th edition of the Challenger 80 tournament held in Puente Romano in Marbella. It was also the first edition of ATP 250. So this year professional tennis was played for the first time for two weeks. AnyTech365 Andalucía Open becomes the fourth ATP Tour tournament in Spain, alongside competitions in Madrid, Barcelona and Mallorca.

Singles

 * 🇪🇸 Pablo Carreño Busta def. 🇪🇸 Jaume Munar, 6–1, 2–6, 6–4

Doubles

 * Ariel Behar / 🇪🇨 Gonzalo Escobar def. 🇧🇦 Tomislav Brkić / 🇷🇸 Nikola Ćaćić, 6–2, 6–4

Prize money

 * per team

Seeds

 * 1 Rankings are as of March 29, 2021

Other entrants
The following players received wildcards into the main draw:
 * 🇪🇸 Carlos Alcaraz
 * 🇮🇹 Fabio Fognini
 * Holger Rune

The following players received entry from the qualifying draw:
 * Henri Laaksonen
 * 🇷🇸 Nikola Milojević
 * 🇪🇸 Mario Vilella Martínez
 * 🇪🇸 Bernabé Zapata Miralles

Withdrawals

 * Before the tournament
 * 🇪🇸 Pablo Andújar → replaced by 🇰🇿 Mikhail Kukushkin
 * 🇪🇸 Roberto Bautista Agut → replaced by 🇦🇷 Facundo Bagnis
 * 🇫🇷 Richard Gasquet → replaced by 🇦🇷 Francisco Cerúndolo
 * Lloyd Harris → replaced by 🇸🇰 Norbert Gombos
 * 🇷🇸 Dušan Lajović → replaced by 🇯🇵 Taro Daniel
 * 🇬🇧 Cameron Norrie → replaced by 🇪🇸 Roberto Carballés Baena
 * 🇦🇺 Alexei Popyrin → replaced by 🇧🇾 Ilya Ivashka
 * 🇷🇺 Andrey Rublev → replaced by 🇧🇦 Damir Džumhur
 * Stan Wawrinka → replaced by 🇪🇸 Pedro Martínez

Seeds

 * Rankings are as of March 22, 2021.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇪🇸 Feliciano López / 🇪🇸 Marc López
 * 🇪🇸 David Marrero / 🇪🇸 Adrián Menéndez Maceiras

Withdrawals

 * Before the tournament
 * 🇧🇷 Marcelo Demoliner / 🇲🇽 Santiago González → replaced by 🇲🇽 Santiago González / 🇲🇽 Miguel Ángel Reyes-Varela
 * 🇬🇧 Cameron Norrie / 🇦🇺 Matt Reid → replaced by 🇱🇹 Ričardas Berankis / 🇳🇿 Artem Sitak