See main article: 2021 Antalya Challenger.
This was the first edition of the tournament and first of two editions of the tournament to start the 2021 ATP Challenger Tour year.[1]
Denys Molchanov and Aleksandr Nedovyesov won the title after defeating Luis David Martínez and David Vega Hernández 3–6, 6–4, [18–16] in the final.