2021 Sánchez-Casal Cup

The 2021 Sánchez-Casal Cup was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Barcelona, Spain between 4 and 10 October 2021.

2021 Sánchez-Casal Cup
Date	4–10 October
Edition	4th
Surface	Clay
Location	Barcelona, Spain
Champions
Singles
Dimitar Kuzmanov
Doubles
Harri Heliövaara / Roman Jebavý

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
FRA	Hugo Gaston	116	1
SVK	Alex Molčan	119	2
ESP	Bernabé Zapata Miralles	120	3
BIH	Damir Džumhur	136	4
SRB	Nikola Milojević	141	5
AUS	Marc Polmans	158	6
GER	Cedrik-Marcel Stebe	160	7
CZE	Jiří Lehečka	177	8

• ¹ Rankings are as of 27 September 2021.

Other entrants

The following players received wildcards into the singles main draw:

• Pablo Llamas Ruiz
• Alejandro Moro Cañas
• Nikolás Sánchez Izquierdo

The following player received entry into the singles main draw as an alternate:

• Adrian Andreev

The following players received entry from the qualifying draw:

• Nicolás Álvarez Varona
• Georgii Kravchenko
• Matteo Martineau
• Yshai Oliel

The following players received entry as lucky losers:

• Oleksii Krutykh
• Álvaro López San Martín

Champions

Singles

Main article: 2021 Sánchez-Casal Cup – Singles

• Dimitar Kuzmanov def. Hugo Gaston 6–3, 6–0.

Doubles

Main article: 2021 Sánchez-Casal Cup – Doubles

• Harri Heliövaara / Roman Jebavý def. Nuno Borges / Francisco Cabral 6–4, 6–3.