Clearinghouse:
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Eastern Idaho Open Champions
| Year | Eastern Winner | City |
| 1958 | Sven Gridseth | Idaho Falls, ID |
| 1959 | Nigel Robinson | Idaho Falls, ID |
| 1960 | Eugene L. Cowan | Driggs, ID |
| 1961 | William C. Jackson | Glenns Ferry, ID |
| 1962 | Eugene L. Cowan | Driggs, ID |
| (tie) | James Fisher | Salt Lake City, UT |
| 1964-1965 No Tournament |
| 1965 | Eugene L. Cowan | Driggs, ID |
| 1966 | Bert Germalm | Blackfoot, ID |
| (tie) | Roland K. Hart | Pocatello, ID |
| 1967-1972 No Tournament |
| 1973 | Bert Germalm | Idaho Falls, ID |
| 1974 | Dennis Hansen | Sandy, UT |
| (tie) | Bert Germalm | Idaho Falls, ID |
| (tie) | Stephen Eide | Pocatello, ID |
| 1975 | Ed Garner | Glendale, AZ |
| 1976-1986 No Tournament |
| 1987 | Robert H. Hales | Spanish Fork, UT |
| (tie) | David R. Jackson | UT |
| (tie) | Michael A. Henderson | Boise, ID |
| 1988-1996 No Tournament |
| 1997 | Jeff Philips | Salt Lake City, UT |
| (tie) | Rizah Dizdarevic | Boise, ID |
| 1998-2000 No Tournament |
| 2001 | Adam McIntosh | UT |
| 2002 | Eric S Deguzman | Pocatello, ID |
| 2003-5 | Randy D. Zumbrunnen | Salt Lake City, UT |
| 2003-9 | Gary Owen | Evanston, WY |
| 2004 | Randy D. Zumbrunnen | Salt Lake City, UT |
| 2005 | Gregory W. Nowak | Missoula, MT |
| 2006 | Gregory W. Nowak | Missoula, MT |
| 2007 | Victor G. Watts | Pocatello, ID |
| 2008 | Randy D. Zumbrunnen | Salt Lake City, UT |
| 2009 | Hans Morrow | Farmington, UT |
| (tie) | Jershon Laimana | Idaho Falls, ID |
| 2010 | Sean Manross | Yosemite, CA |
| 2011 | Caleb Paul Kircher | Nampa, ID |
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