Los Angeles
| Year | Period | Type | Winner |
|---|---|---|---|
| 2012 | 23 Jul - 29 Jul | ATP | Sam Querrey |
| 2011 | 25 Jul - 31 Jul | ATP | Ernests Gulbis |
| 2010 | 24 Jul - 01 Aug | ATP | Sam Querrey |
| 2009 | 27 Jul - 02 Aug | ATP | Sam Querrey |
| 2009 | 03 Aug - 09 Aug | WTA | Flavia Pennetta |
| 2008 | 04 Aug - 10 Aug | ATP | Juan Martin Del Potro |
| 2008 | 21 Jul - 27 Jul | WTA | Dinara Safina |
| 2007 | 16 Jul - 22 Jul | ATP | Radek Stepanek |
| 2007 | 06 Aug - 13 Aug | WTA | Ana Ivanovic |
| 2006 | 24 Jul - 31 Jul | ATP | Tommy Haas |
| 2005 | 25 Jul - 01 Aug | ATP | Andre Agassi |
| 2005 | 07 Aug - 14 Aug | WTA | Kim Clijsters |
| 2004 | 12 Jul - 19 Jul | ATP | Tommy Haas |
| 2004 | 18 Jul - 25 Jul | WTA | Lindsay Davenport |
| 2003 | 28 Jul - 04 Aug | ATP | Wayne Ferreira |
| 2003 | 03 Aug - 10 Aug | WTA | Kim Clijsters |
| 2002 | 22 Jul - 29 Jul | ATP | Andre Agassi |
| 2002 | 04 Aug - 11 Aug | WTA | Chanda Rubin |
| 2001 | 23 Jul - 30 Jul | ATP | Andre Agassi |
| 2000 | 24 Jul - 31 Jul | ATP | Michael Chang |
| 1999 | 26 Jul - 02 Aug | ATP | Pete Sampras |
| 1998 | 27 Jul - 03 Aug | ATP | Andre Agassi |
| 1997 | 21 Jul - 28 Jul | ATP | Jim Courier |
| 1996 | 29 Jul - 05 Aug | ATP | Michael Chang |
| 1996 | 11 Aug - 18 Aug | WTA | Lindsay Davenport |
| 1995 | 31 Jul - 07 Aug | ATP | Michael Stich |
| 1994 | 01 Aug - 08 Aug | ATP | Boris Becker |
| 1993 | 02 Aug - 09 Aug | ATP | Richard Krajicek |
| 1992 | 03 Aug - 10 Aug | ATP | Richard Krajicek |
| 1991 | 29 Jul - 05 Aug | ATP | Pete Sampras |
| 1990 | 30 Jul - 06 Aug | ATP | Stefan Edberg |
| 1989 | 18 Sep - 25 Sep | ATP | Aaron Krickstein |
| 1988 | 19 Sep - 26 Sep | ATP | Mikael Pernfors |
| 1987 | 21 Sep - 28 Sep | ATP | David Pate |
| 1986 | 15 Sep - 22 Sep | ATP | John McEnroe |
| 1985 | 16 Sep - 23 Sep | ATP | Paul Annacone |
| 1984 | 10 Sep - 17 Sep | ATP | Jimmy Connors |
| 1983 | 11 Apr - 16 May | ATP | Gene Mayer |
| 1982 | 12 Apr - 13 Sep | ATP | Jimmy Connors |
| 1981 | 13 Apr - 06 Jul | ATP | John McEnroe |
| 1980 | 14 Apr - 11 Aug | ATP | Gene Mayer |
| 1979 | 17 Sep - 26 Dec | ATP | Peter Fleming |
| 1978 | 18 Sep - 12 Jul | ATP | Arthur Ashe |
| 1977 | 19 Sep - 26 Sep | ATP | Raul Ramirez |
| 1976 | 20 Sep - 14 Jun | ATP | Brian Gottfried |
| 1975 | 15 Sep - 15 Sep | ATP | Arthur Ashe |
| 1974 | 17 Sep - 04 Sep | ATP | Jimmy Connors |
| 1973 | 17 Sep - 13 Sep | ATP | Jimmy Connors |
| 1972 | 14 Feb - 14 Feb | ATP | Andres Gimeno |
| 1972 | 18 Sep - 18 Sep | ATP | Stan Smith |
| 1971 | 20 Sep - 20 Sep | ATP | Richard Pancho Gonzales |
| 1970 | 19 Sep - 19 Sep | ATP | Rod Laver |