2020 Sánchez-Casal Cup

The 2020 Sánchez-Casal Cup was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Barcelona, Spain between 5 and 11 October 2020.

Seeds

 * 1 Rankings are as of 28 September 2020.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇪🇸 Carlos Gimeno Valero
 * 🇪🇸 Nicola Kuhn
 * 🇮🇳 Ramkumar Ramanathan

The following player received entry into the singles main draw using a protected ranking:
 * 🇩🇪 Maximilian Marterer

The following players received entry into the singles main draw as special exempts:
 * 🇦🇷 Francisco Cerúndolo
 * Blaž Kavčič

The following players received entry from the qualifying draw:
 * Marcelo Tomás Barrios Vera
 * 🇦🇷 Andrea Collarini
 * 🇫🇷 Enzo Couacaud
 * 🇺🇸 Brandon Nakashima

The following players received entry as lucky losers:
 * 🇫🇷 Maxime Janvier
 * 🇦🇷 Renzo Olivo
 * 🇨🇦 Peter Polansky

Singles

 * 🇪🇸 Carlos Alcaraz def. 🇧🇦 Damir Džumhur 4–6, 6–2, 6–1.

Doubles

 * 🇵🇱 Szymon Walków / 🇦🇹 Tristan-Samuel Weissborn def. 🇫🇮 Harri Heliövaara / 🇺🇸 Alex Lawson 6–1, 4–6, [10–8].