2021 US Open – Wheelchair quad doubles
| Wheelchair quad doubles | |
|---|---|
| 2021 US Open | |
| Champions |  Sam Schröder Niels Vink |
| Runners-up |  Dylan Alcott Heath Davidson |
| Score | 6–3, 6–2 |
Sam Schröder and Niels Vink defeated the two-time defending champion Dylan Alcott and his partner Heath Davidson in the final, 6–3, 6–2 to win the quad doubles wheelchair tennis title at the 2021 US Open.
Alcott and Andy Lapthorne were the two-time defending champions,[1] but did not compete together. Lapthorne partnered David Wagner, but was defeated in the semifinals by Schröder and Vink.
Seeds
[edit]
Dylan Alcott / Heath Davidson (final)
Andy Lapthorne / 
David Wagner (semifinals)
Draw
[edit]Key
[edit]- 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
Finals
[edit]| Semifinals | Final | ||||||||||||
| 1 | Dylan Alcott Heath Davidson
| 6 | 6 | ||||||||||
 Bryan Barten Koji Sugeno
| 0 | 4 | |||||||||||
| 1 | Dylan Alcott Heath Davidson
| 3 | 2 | ||||||||||
| Sam Schröder Niels Vink
| 6 | 6 | |||||||||||
| Sam Schröder Niels Vink
| 7 | 6 | |||||||||||
| 2 |  Andy Lapthorne David Wagner
| 5 | 0 | ||||||||||