See main article: 2011 Campbell's Hall of Fame Tennis Championships. Mardy Fish was the defending champion, but decided to participate in the Davis Cup instead.
No. 1 seed John Isner won the tournament, beating Belgian Olivier Rochus in the final, 6–3, 7–6(8–6). In doing so, Isner became the first top seed to ever win the tournament, breaking the "Casino Curse."[1]
See main article: 2011 Campbell's Hall of Fame Tennis Championships – Singles qualifying.