1878 Leon Magnus
1898 Chicago(usa) William H. Catton
1900 Chicago(usa) Eugene Carter,Loyd Jevne
1901 Chicago(usa) Joseph Capron
1907 St Louis(usa) Harry P. Cline
1908 (various cities) John Daly,Thomas Hueston,Alfredo De Oro
1909 New York(usa) Alfredo De Oro
Alfredo De Oro
1910 Fred Eames,Thomas A.Hueston,Alfredo De Oro,John W.Daly
1911 Joseph W.Carney,John G.Horgan,John W.Daly,Alfredo De Oro
1912 Joseph W.Carney,John G.Horgan
1913 San Francisco(usa) Alfredo De Oro
1914 Chicago(usa) Alfredo De Oro
1915 George W.Moore,William B.Huey,Alfredo De Oro.Run 13 William Huey
1916 Alfredo De Oro,Charles Ellis,Charles Mc Court,Hugh Heal,George W.Moore
1917 Charles Mc Court,Robert L.Cannefax,Alfredo De Oro
Robert L.Cannefax
1918 Alfredo De Oro,August Kieckhefer
1919 August Kieckhefer,Alfredo De Oro, Robert Cannefax.High run 17,Tilford Denton,Usa Championship
August Kieckhefer
1920 Chicago(usa) Johnny Layton
1921 August Kieckhefer,Johnny Layton
Johnny Layton
1922 Milwakee(usa) Johnny Layton,Under National Billiard Association of America
1927 August Kieckhefer,Otto Reiselt
Otto Reiselt
 
1928 First World Amateur 3 Cushion Championship(UMB).Winner Edmond Soussa with 0.552 average and 9 run.
 
1928 Johnny Layton.Average 1.3.Prizes 6000$ for winner,3000$ for second,5000$ to others players(NBAA)
1930 New York(usa) Johnny Layton(NBAA)
1931 Chicago(usa) Arthur Thurnblad(NBAA)
Arthur Thurnblad
1932 Chicago(usa) August Kieckhefer(NBAA)
1933 Welker Cochran(NBAA)
1934 New York(usa) Johnny Layton(NBAA)
1935 Johnny Layton,Welker Cochran
1936 Willie Hoppe,Welker Cochran
1938 Paris(fra) Roger Conti.Average 1.104,run 14.
1939 Mexico City(mex) Joe Chamaco(NBAA)
1940 Chicago(usa) Willie Hoppe.Average 1.161,prizes for players 20000$
1941 Chicago(usa) Willie Hoppe(NBAA)
1942 Willie Hoppe
1944 Willie Hoppe,Welker Cochran.World Record 60 points in 23 innings by Willie Hoppe.World Record 20 run by Welker Cochran.Το ρεκόρ των 25 σερί του 1918 του Hoppe έχω διαβάσει πως έγινε σε 2 σετ(14 τελείωμα και 11 από σπάσιμο)και όχι σε μια συνεχόμενη στεκιά.
1945 Welker Cochran.The match with Hoppe played in 13 different cities
1946 Chicago(usa) Willie Hoppe
1947 Chicago(usa) Willie Hoppe
Willie Hoppe
1948 Chicago(usa) Willie Hoppe.Under Billiard Congress of America(BCA)
1949 Chicago(usa) Willie Hoppe(BCA)
1950 Chicago(usa) Willie Hoppe(BCA).Average 1.338
1951 Chicago(usa) Willie Hoppe(BCA).Average 1.124.Prizes 4200$
1952 San Francisco(usa) Willie Hoppe(BCA).10 players,20000$ prizes
1953 Chicago(usa) Ray Kilgore(BCA)
1954 Buenos Aires(arg) Harold Worst.Under Asociacion Mundial de Billar(AMB)
1957 Chicago(usa) Harold Worst(BCA)
1960 Harold Worst(BCA)
1961 Arthur Robin(AMB)
1961 Harold Worst(BCA).The challenger was Masako Katsura.Worst won 350-276
1963 Buenos Aires(arg) Ezequiel Navarra(AMB)
From left:Juan Navarra,Willie Hoppe,Ezequiel Navarra
1965 Mexico city(mex) Joe Chamaco(AMB)
1968 Mexico city(mex) Joe Chamaco(AMB)
1969 Mexico city(mex) Juan Navarra(AMB).Ezequiel’s brother
1972 Mexico city(mex) Juan Navarra(AMB)
1974 Mexico city(mex) Gabriel Fernandez(AMB).Average 1.487
1975 Mexico city(mex) Arturo Bone(AMB)
1986 Raymond Ceulemans(BWA)
Raymond Ceulemans
1987 Raymond Ceulemans(BWA)
1988 Torbjorn Blomdahl(BWA)
1989 Ludo Dielis(BWA)
Ludo Dielis
1990 Raymond Ceulemans(BWA)
1991 Torbjorn Blomdahl(BWA)
1992 Torbjorn Blomdahl(BWA)
1993 Sang Lee(BWA)
Sang Lee
1994 Torbjorn Blomdahl(BWA)
1995 Torbjorn Blomdahl(BWA)
1996 Torbjorn Blomdahl(BWA)
1997 Dick Jaspers(BWA)
1998 Torbjorn Blomdahl(BWA)
1999 Dick Jaspers(BWA)
 
Note:Almost every year in U.S organised challenge matches