| 2011 Winston-Salem Open | |
|---|---|
| Date | August 22 – 27 |
| Edition | 43rd |
| Category | World Tour 250 series |
| Draw | 48S /16D |
| Prize money | $553,125 |
| Surface | Hard / outdoor |
| Location | Winston-Salem, United States |
| Venue | Wake Forest University |
| Champions | |
| Singles | |
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| Doubles | |
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The 2011 Winston–Salem Open was a men's tennis tournament played on outdoor hard courts. It was previously known as the Pilot Pen Tennis but was relocated to Winston-Salem. It was the 43rd edition of the Winston-Salem Open, and was part of the ATP World Tour 250 series of the 2011 ATP World Tour. It took place at the Wake Forest University in Winston-Salem, North Carolina, United States, from August 22 through August 27, 2011. It was the last event on the 2011 US Open Series before the 2011 US Open.
Fourth-seeded John Isner won the singles title.
The following players received wildcards into the singles main draw
The following players received entry from the qualifying draw:
The following players received entry from a lucky loser spot:
John Isner def.
Julien Benneteau, 4–6, 6–3, 6–4