2021 Tenerife Challenger – Singles

This was the first edition of the tournament.

Tallon Griekspoor won the title after defeating Feliciano López 6–4, 6–4 in the final.

Seeds
• # Tallon Griekspoor (champion)

• # 🇪🇸 Feliciano López (final)

• # 🇪🇸 Fernando Verdasco (semifinals)

• # 🇫🇷 Quentin Halys (second round)

• # 🇪🇨 Emilio Gómez (first round)

• # 🇹🇷 Altuğ Çelikbilek (quarterfinals)

• # 🇸🇪 Elias Ymer (second round)

• # João Sousa (quarterfinals)