2021 Antalya Challenger IV – Doubles
2021 tennis event results
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Riccardo Bonadio and Giovanni Fonio were the defending champions[1] but withdrew from the tournament before their quarterfinal match.
Champions
Hsu Yu-hsiou
Oleksii Krutykh
Hsu Yu-hsiou
Oleksii KrutykhRunners-up
Sanjar Fayziev
Markos Kalovelonis
Sanjar Fayziev
Markos KalovelonisScore6–1, 7–6(7–5)
| Doubles | |
|---|---|
| 2021 Antalya Challenger IV | |
| Champions | Hsu Yu-hsiou Oleksii Krutykh |
| Runners-up | Sanjar Fayziev Markos Kalovelonis |
| Score | 6–1, 7–6(7–5) |
Hsu Yu-hsiou and Oleksii Krutykh won the title after defeating Sanjar Fayziev and Markos Kalovelonis 6–1, 7–6(7–5) in the final.
Seeds
Jakub Paul / 
Bart Stevens (semifinals)- Hsu Yu-hsiou / Oleksii Krutykh (champions)
- Sanjar Fayziev / Markos Kalovelonis (final)
Grigoriy Lomakin / Oleg Prihodko (quarterfinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  J Paul B Stevens
| 6 | 6 | ||||||||||||||||||||||||
| M Veldheer D Wenger
| 7 | 4 | [12] | M Veldheer D Wenger
| 3 | 2 | |||||||||||||||||||||
| WC |  S Ağabigün T Altuna
| 5 | 6 | [10] | 1 | J Paul B Stevens
| 3 | 65 | |||||||||||||||||||
| 3 | S Fayziev M Kalovelonis
| 77 | 6 | 3 | S Fayziev M Kalovelonis
| 6 | 77 | ||||||||||||||||||||
 Andrey Chepelev E Tiurnev
| 64 | 4 | 3 | S Fayziev M Kalovelonis
| w/o | ||||||||||||||||||||||
 R Bonadio G Fonio
| w/o | R Bonadio G Fonio
| |||||||||||||||||||||||||
 D Ajduković M Zekić
| 3 | S Fayziev M Kalovelonis
| 1 | 65 | |||||||||||||||||||||||
 C Crețu A Jecan
| 6 | 6 | 2 | Y-h Hsu O Krutykh
| 6 | 77 | |||||||||||||||||||||
| WC | U Akkoyun M İlhan
| 2 | 3 | C Crețu A Jecan
| 77 | 4 | [10] | ||||||||||||||||||||
 T Matsui K Uesugi
| 6 | 1 | [8] | 4 |  G Lomakin O Prihodko
| 63 | 6 | [8] | |||||||||||||||||||
| 4 | G Lomakin O Prihodko
| 3 | 6 | [10] | C Crețu A Jecan
| 77 | 64 | [7] | |||||||||||||||||||
| V Orlov K Sultanov
| 2 | Y-h Hsu O Krutykh
| 63 | 77 | [10] | ||||||||||||||||||||||
 P Milushev R Shandarov
| w/o | P Milushev R Shandarov
| 1 | 3 | |||||||||||||||||||||||
| 2 | Y-h Hsu O Krutykh
| 6 | 6 | ||||||||||||||||||||||||