# 2021 ABN AMRO World Tennis Tournament – Doubles

Pierre-Hugues Herbert and Nicolas Mahut were the defending champions but Mahut chose not to participate. Herbert partnered Jan-Lennard Struff, but they lost in the quarterfinals to Nikola Mektić and Mate Pavić.
Mektić and Pavić won the title, defeating Kevin Krawietz and Horia Tecău in the final, 7–6$^{(9–7)}$, 6–2.

## Seeds

* Juan Sebastián Cabal / Robert Farah (first round)
* Nikola Mektić / Mate Pavić (champions)
* Wesley Koolhof / Łukasz Kubot (quarterfinals)
* Marcelo Melo / Jean-Julien Rojer (first round)

## 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 | 3 | [9] | | | | | | | | | | | | | | |
| | H Kontinen É Roger-Vasselin | 4 | 6 | [11] | | H Kontinen É Roger-Vasselin | 6 | 7$^7$ | | | | | | | | | | |
| | S Gillé J Vliegen | 2 | 3 | | WC | P Tsitsipas S Tsitsipas | 2 | 6$^4$ | | | | | | | | | | |
| WC | P Tsitsipas S Tsitsipas | 6 | 6 | | | | | | | | H Kontinen É Roger-Vasselin | 6$^5$ | 7$^7$ | [6] | | | | |
| 4 | M Melo J-J Rojer | 3 | 6 | [9] | | | | | | | K Krawietz H Tecău | 7$^7$ | 6$^3$ | [10] | | | | |
| | K Krawietz H Tecău | 6 | 3 | [11] | | K Krawietz H Tecău | 6 | 6 | | | | | | | | | | |
| | D Lajović S Wawrinka | 1 | 6 | [2] | | K Khachanov A Rublev | 3 | 4 | | | | | | | | | | |
| | K Khachanov A Rublev | 6 | 3 | [10] | | | | | | | | | | | | K Krawietz H Tecău | 6$^7$ | 2 |
| Q | S Arends D Pel | 4 | 4 | | | | | | | | | | | | 2 | N Mektić M Pavić | 7$^9$ | 6 |
| | J Chardy F Martin | 6 | 6 | | | J Chardy F Martin | 6 | 6 | | | | | | | | | | |
| PR | B McLachlan K Nishikori | 5 | 6 | [6] | 3 | W Koolhof Ł Kubot | 4 | 3 | | | | | | | | | | |
| 3 | W Koolhof Ł Kubot | 7 | 3 | [10] | | | | | | | J Chardy F Martin | 6$^3$ | 7$^{13}$ | [4] | | | | |
| | P-H Herbert J-L Struff | 6$^5$ | 6 | [10] | | | | | | 2 | N Mektić M Pavić | 7$^7$ | 6$^{11}$ | [10] | | | | |
| | F Auger-Aliassime H Hurkacz | 7$^7$ | 3 | [8] | | P-H Herbert J-L Struff | 6 | 3 | [7] | | | | | | | | | |
| WC | R Haase M Middelkoop | 2 | 6$^3$ | | 2 | N Mektić M Pavić | 3 | 6 | [10] | | | | | | | | | |
| 2 | N Mektić M Pavić | 6 | 7$^7$ | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Frederik Nielsen / Tim Pütz (first round)
* Divij Sharan / Igor Zelenay (qualifying competition)

### Qualifiers

* Sander Arends / David Pel

### Qualifying draw

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Frederik Nielsen Tim Pütz | 3 | 4 | | | | |
| | Sander Arends David Pel | 6 | 6 | | | | |
| | Sander Arends David Pel | 6 | 6 | | Sander Arends David Pel | 6 | 7 |
| | | | | 2 | Divij Sharan Igor Zelenay | 3 | 5 |
| WC | Tallon Griekspoor Botic van de Zandschulp | 2 | 4 | 2 | Divij Sharan Igor Zelenay | 3 | 5 |
| 2 | Divij Sharan Igor Zelenay | 6 | 6 | | | | |