2021 JC Ferrero Challenger Open
Date	11–17 October
Edition	4th
Surface	Clay
Location	Villena, Alicante, Spain
Venue	Ferrero Tennis Academy
Champions
Singles
Constant Lestienne
Doubles
Denys Molchanov / David Vega Hernández
← 2020 · JC Ferrero Challenger Open · 2022 →

The 2021 JC Ferrero Challenger Open 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 at the Ferrero Tennis Academy in Villena, Alicante, Spain, between 11 and 17 October 2021.

Country	Player	Rank1	Seed
ESP	Feliciano López	108	1
ESP	Fernando Verdasco	137	2
GER	Oscar Otte	138	3
FRA	Quentin Halys	158	4
KAZ	Dmitry Popko	165	5
POL	Kacper Żuk	172	6
ESP	Mario Vilella Martínez	173	7
POR	João Sousa	182	8

• ¹ Rankings are as of 4 October 2021.^[1]

The following players received wildcards into the singles main draw:

• Nicolás Álvarez Varona
• Feliciano López
• Emilio Nava

The following players received entry into the singles main draw as alternates:

• Lucas Miedler
• Nicolas Moreno de Alboran
• Vladyslav Orlov
• Mischa Zverev

The following players received entry from the qualifying draw:

• Sriram Balaji
• Georgii Kravchenko
• Santiago Rodríguez Taverna
• Denis Yevseyev

• Constant Lestienne def. Hugo Grenier 6–4, 6–3.

• Denys Molchanov / David Vega Hernández def. Romain Arneodo / Matt Reid 6–4, 6–2.