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| 2021 Winston-Salem Open | |
|---|---|
| Date | August 21–28 |
| Edition | 52nd |
| Category | ATP Tour 250 Series |
| Draw | 48S / 16D |
| Surface | Hard / outdoor |
| Location | Winston-Salem, North Carolina, U.S. |
| Venue | Wake Forest University |
| Champions | |
| Singles | |
 Ilya Ivashka | |
| Doubles | |
 Marcelo Arévalo /  Matwé Middelkoop | |
The 2021 Winston-Salem Open was a men's tennis tournament played on outdoor hard courts. It was the 52nd edition of the Winston-Salem Open (as successor to previous tournaments in New Haven and Long Island), and part of the ATP Tour 250 Series of the 2021 ATP Tour. It took place at Wake Forest University in Winston-Salem, North Carolina, United States, from August 21 through August 28, 2021. It was the last event on the 2021 US Open Series before the 2021 US Open.[1]