# 2021 Dubai Tennis Championships – Men's doubles

John Peers and Michael Venus were the defending champions, but they chose not to participate.
Juan Sebastián Cabal and Robert Farah won the title, defeating Nikola Mektić and Mate Pavić in the final, 7–6$^{(7–0)}$, 7–6$^{(7–4)}$.

## Seeds

* Juan Sebastián Cabal / Robert Farah (champions)
* Nikola Mektić / Mate Pavić (final)
* Wesley Koolhof / Łukasz Kubot (quarterfinals)
* Ivan Dodig / Filip Polášek (semifinals)

## 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

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | JS Cabal R Farah | 6 | 6 | | | | | | | | | | | | | | | |
| WC | O Alawadhi HA Janahi | 1 | 0 | | 1 | JS Cabal R Farah | 6 | 6$^7$ | [11] | | | | | | | | | |
| | D Evans R Haase | 1 | 4 | | Q | L Sonego A Vavassori | 4 | 7$^9$ | [9] | | | | | | | | | |
| Q | L Sonego A Vavassori | 6 | 6 | | | | | | | 1 | JS Cabal R Farah | 6 | 2 | [10] | | | | |
| 3 | W Koolhof Ł Kubot | 6 | 0 | [12] | | | | | | | K Krawietz J-L Struff | 3 | 6 | [7] | | | | |
| | M Melo J-J Rojer | 4 | 6 | [10] | 3 | W Koolhof Ł Kubot | 7 | 3 | [3] | | | | | | | | | |
| | H Kontinen J Thompson | 7$^9$ | 6$^4$ | [6] | | K Krawietz J-L Struff | 5 | 6 | [10] | | | | | | | | | |
| | K Krawietz J-L Struff | 6$^7$ | 7$^7$ | [10] | | | | | | | | | | | 1 | JS Cabal R Farah | 7$^7$ | 7$^7$ |
| WC | V Pospisil N Zimonjić | 0$^r$ | | | | | | | | | | | | | 2 | N Mektić M Pavić | 6$^0$ | 6$^4$ |
| | H Hurkacz J Sinner | 3 | | | | H Hurkacz J Sinner | 6 | 6$^4$ | [2] | | | | | | | | | |
| LL | M Arévalo M Middelkoop | 6 | 5 | [13] | 4 | I Dodig F Polášek | 3 | 7$^7$ | [10] | | | | | | | | | |
| 4 | I Dodig F Polášek | 3 | 7 | [15] | | | | | | 4 | I Dodig F Polášek | 6$^4$ | 3 | | | | | |
| | J Chardy F Martin | 6 | 7$^9$ | | | | | | | 2 | N Mektić M Pavić | 7$^7$ | 6 | | | | | |
| | M Daniell P Oswald | 4 | 6$^7$ | | | J Chardy F Martin | 7$^7$ | 6$^7$ | [6] | | | | | | | | | |
| | D Goffin J Vliegen | 6$^2$ | 2 | | 2 | N Mektić M Pavić | 6$^3$ | 7$^9$ | [10] | | | | | | | | | |
| 2 | N Mektić M Pavić | 7$^7$ | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Marcelo Arévalo / Matwé Middelkoop (qualifying competition, Lucky losers)
* Lorenzo Sonego / Andrea Vavassori (qualified)

### Qualifiers

* Lorenzo Sonego / Andrea Vavassori

### Lucky losers

* Marcelo Arévalo / Matwé Middelkoop

### Qualifying draw

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Marcelo Arévalo Matwé Middelkoop | 6$^6$ | 6 | [10] | | | | |
| Alt | Teymuraz Gabashvili Dmitry Popko | 7$^8$ | 1 | [8] | | | | |
| Alt | Teymuraz Gabashvili Dmitry Popko | 7$^8$ | 1 | [8] | 1 | Marcelo Arévalo Matwé Middelkoop | 6$^6$ | 5 |
| | | | | | 2 | Lorenzo Sonego Andrea Vavassori | 7$^8$ | 7 |
| PR | Yuki Bhambri Divij Sharan | 6$^7$ | 5 | | 2 | Lorenzo Sonego Andrea Vavassori | 7$^8$ | 7 |
| 2 | Lorenzo Sonego Andrea Vavassori | 7$^9$ | 7 | | | | | |