| Doubles | ||||
|---|---|---|---|---|
| 2021 Antalya Challenger | ||||
| Final | ||||
| Champions |  Denys Molchanov Aleksandr Nedovyesov | |||
| Runners-up |  Luis David Martínez David Vega Hernández | |||
| Score | 3–6, 6–4, | |||
| Events | ||||
| ||||
| ||||
This was the first edition of the tournament and first of two editions of the tournament to start the 2021 ATP Challenger Tour year.
Denys Molchanov and Aleksandr Nedovyesov won the title after defeating Luis David Martínez and David Vega Hernández 3–6, 6–4, in the final.
Seeds
- Luis David Martínez / David Vega Hernández (final)
- Denys Molchanov / Aleksandr Nedovyesov (champions)
Purav Raja / Ramkumar Ramanathan (first round)
Harri Heliövaara / 
Zdeněk Kolář (quarterfinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | LD Martínez D Vega Hernández
| 6 | 6 | ||||||||||||||||||||||||
| WC |  S Ağabigün E Kırkın
| 1 | 4 | 1 | LD Martínez D Vega Hernández
| 7 | 3 | ||||||||||||||||||||
 R Matos F Meligeni Alves
| 6 | 6 | R Matos F Meligeni Alves
| 6 | 6 | ||||||||||||||||||||||
 P Lorenzi T Seyboth Wild
| 4 | 1 | 1 | LD Martínez D Vega Hernández
| 6 | 6 | |||||||||||||||||||||
| 3 | P Raja R Ramanathan
| 1 | 3 | Alt | A Giannessi L Musetti
| 0 | 3 | ||||||||||||||||||||
| Alt | A Giannessi L Musetti
| 6 | 6 | Alt | A Giannessi L Musetti
| w/o | |||||||||||||||||||||
 E King N Pasha
| 5 | 7 |  L Mayer JP Varillas
| ||||||||||||||||||||||||
| L Mayer JP Varillas
| 7 | 6 | 1 | LD Martínez D Vega Hernández
| 6 | 4 | |||||||||||||||||||||
| WC | M İlhan C İlkel
| 1 | 2 | 2 | D Molchanov A Nedovyesov
| 3 | 6 | ||||||||||||||||||||
 T Huey S Verbeek
| 6 | 6 | T Huey S Verbeek
| 6 | 6 | ||||||||||||||||||||||
 L Margaroli F Mergea
| 2 | 6 | 4 | H Heliövaara Z Kolář
| 3 | 7 | |||||||||||||||||||||
| 4 | H Heliövaara Z Kolář
| 6 | 4 | T Huey S Verbeek
| 4 | 2 | |||||||||||||||||||||
 DE Galán E Gómez
| 4 | 6 | 2 | D Molchanov A Nedovyesov
| 6 | 6 | |||||||||||||||||||||
 J Kovalík M Safwat
| 6 | 4 | DE Galán E Gómez
| 3 | 1 | ||||||||||||||||||||||
| R Galloway A Lawson
| 4 | 2 | 2 | D Molchanov A Nedovyesov
| 6 | 6 | |||||||||||||||||||||
| 2 | D Molchanov A Nedovyesov
| 6 | 6 | ||||||||||||||||||||||||