The Ruthven Trophy for Gents Singles
| 1932 | W. Moncur | 1st Title |
| 1933 | W. Moncur | 2nd Title |
| 1934 | J. Lumsden | 1st Title |
| 1935 | J. Lumsden | 2nd Title |
| 1936 | W. Moncur | 3rd Title |
| 1937 | R. McGuire | 1st Title |
| 1938 | J.G. Forbes | 1st Title |
| 1939 | W. Moncur | 4th Title |
| 1940-1946 | No competition due to World War 2 | |
| 1947 | C.D. Farquharson | 1st Title |
| 1948 | H.R.H. Irons | 1st Title |
| 1949 | W.D.G. Irons | 1st Title |
| 1950 | G.M. Farquharson | 1st Title |
| 1951 | J.W. Shaw | 1st Title |
| 1952 | J.B. Turner | 1st Title |
| 1953 | J.W. Shaw | 2nd Title |
| 1954 | J.W. Shaw | 3rd Title |
| 1955 | J.B. Turner | 2nd Title |
| 1956 | J.B. Turner | 3rd Title |
| 1957 | J.B. Turner | 4th Title |
| 1958 | J.B. Turner | 5th Title |
| 1959 | J.B. Turner | 6th Title |
| 1960 | J.B. Turner | 7th Title |
| 1961 | C.G. Lamond | 1st Title |
| 1962 | J.B. Turner | 8th Title |
| 1963 | No competition held | |
| 1964 | W.J. Turner | 1st Title |
| 1965 | W.J. Turner | 2nd Title |
| 1966 | J.B. Turner | 9th Title |
| 1967 | J.B. Turner | 10th Title |
| 1968 | W.J. Turner | 3rd Title |
| 1969 | W.G.Y. Bell | 1st Title |
| 1970 | J.B. Turner | 11th Title |
| 1971 | J.B. Turner | 12th Title |
| 1972 | J.B. Turner | 13th Title |
| 1973 | J.B. Turner | 14th Title |
| 1974 | J.B. Turner | 15th Title |
| 1975 | W.G.Y. Bell | 2nd Title |
| 1976 | A.G. Burt | 1st Title |
| 1977 | A.G. Burt | 2nd Title |
| 1978 | A.G. Burt | 3rd Title |
| 1979 | A.G. Burt | 4th Title |
| 1980 | A.G. Burt | 5th Title |
| 1981 | A.G. Burt | 6th Title |
| 1982 | A.G. Burt | 7th Title |
| 1983 | A.G. Burt | 8th Title |
| 1984 | A.G. Burt | 9th Title |
| 1985 | A.G. Burt | 10th Title |
| 1986 | A.G. Burt | 11th Title |
| 1987 | J. Higgins | 1st Title |
| 1988 | G. Munro | 1st Title |
| 1989 | A.W. Bruce | 1st Title |
| 1990 | A.G. Burt | 12th Title |
| 1991 | A.G. Burt | 13th Title |
| 1992 | A.G. Burt | 14th Title |
| 1993 | A.G. Burt | 15th Title |
| 1994 | A.G. Burt | 16th Title |
| 1995 | A.G. Burt | 17th Title |
| 1996 | A.G. Burt | 18th Title |
| 1997 | A.G. Burt | 19th Title |
| 1998 | A.G. Burt | 20th Title |
| 1999 | A.G. Burt | 21st Title |
| 2000 | A.G. Burt | 22nd Title |
| 2001 | A.G. Burt | 23rd Title |
| 2002 | A.G. Burt | 24th Title |
| 2003 | A.G. Burt | 25th Title |
| 2004 | A.G. Burt | 26th Title |
| 2005 | A.G. Burt | 27th Title |
| 2006 | A.G. Burt | 28th Title |
| 2007 | A.G. Burt | 29th Title |
| 2008 | A.G. Burt | 30th Title |
| 2009 | A.G. Burt | 31st Title |
| 2010 | Graeme Duvall | 1st Title |
| 2011 | A.G. Burt | 32nd Title |
| 2012 | A.G. Burt | 33rd Title |
| 2013 | A.G. Burt | 34th Title |
| 2014 | A.G. Burt | 35th Title |
| 2015 | A.G. Burt | 36th Title |
| 2016 | A.G. Burt | 37th Title |
| 2017 | A.W. Bruce | 2nd Title |
| 2018 | A.W. Bruce | 3rd Title |