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.
| Wheelchair quad doubles | |
|---|---|
| 2021 US Open | |
| Champions |  Sam Schröder Niels Vink |
| Runners-up |  Dylan Alcott Heath Davidson |
| Score | 6–3, 6–2 |
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
editDylan Alcott /
Andy Lapthorne /
David Wagner (semifinals)
Draw
editKey
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 | 6 | 6 | |||||||||||
| 0 | 4 | ||||||||||||
| 1 | 3 | 2 | |||||||||||
| 6 | 6 | ||||||||||||
| 7 | 6 | ||||||||||||
| 2 | 5 | 0 | |||||||||||