Charlotte
| Year | Period | Type | Winner |
|---|---|---|---|
| 1993 | 12 Apr - 19 Apr | ATP | Horacio De la Pena |
| 1992 | 04 May - 11 May | ATP | MaliVai Washington |
| 1991 | 06 May - 13 May | ATP | Jaime Yzaga |
| 1977 | 19 Apr - 19 Apr | ATP | Corrado Barazzutti |
| 1976 | 18 Apr - 14 Jun | ATP | Tony Roche |
| 1975 | 21 Apr - 21 Apr | ATP | Raul Ramirez |
| 1974 | 15 Apr - 15 Apr | ATP | Jeff Borowiak |
| 1973 | 16 Apr - 16 Apr | ATP | Ken Rosewall |
| 1972 | 23 Apr - 23 Apr | ATP | Ken Rosewall |
| 1971 | 18 Apr - 18 Apr | ATP | Arthur Ashe |