| Perfect W-L Records in World Championships | ||||
| Men's | ||||
| Started 1909 | Final | |||
| Year | Name | W - L | Avg. | State |
| 2007 | Alan Francis | 19 - 0 | 81.1 | OH |
| 2006 | Alan Francis | 19 - 0 | 87.8 | OH |
| 2005 | Alan Francis | 23 - 0 | 84.7 | OH |
| 2003 | Alan Francis | 23 - 0 | 83.9 | OH |
| 2001 | Alan Francis | 15 - 0 | 85.7 | OH |
| 1999 | Alan Francis | 19 - 0 | 83.3 | OH |
| 1991 | Walter Ray Williams Jr. | 27 - 0 | 86.2 | CA |
| 1986 | Mark Seibold (LH) | 31 - 0 | 82.2 | IN |
| 1985 | Walter Ray Williams Jr. | 31 - 0 | 84.8 | CA |
| 1980 | Walter Ray Williams Jr. | 31 - 0 | 85.7 | CA |
| 1971 | Curt Day | 35 - 0 | 84.9 | IN |
| 1969 | Dan Kuchcinski (LH) | 35 - 0 | 84.7 | PA |
| 1968 | Elmer Hohl | 35 - 0 | 88.2 | ON,CAN |
| 1959 | Ted Allen | 35 - 0 | 85.4 | CO |
| 1955 | Ted Allen | 38 - 0 | 86.6 | CO |
| 1954 | Guy Zimmerman | 20 - 0 | 84.2 | CA |
| 1951 | Fernando Isais | 35 - 0 | 85.8 | CA |
| 1941 | Fernando Isais | 23 - 0 | 82.9 | CA |
| 1934 | Ted Allen | 23 - 0 | 73.9 | CA |
| 1924S | Putt Mossman | 26 - 0 | 62.0 | IA |
| 1924W | Charlie Davis | 22 - 0 | 57.7 | OH |
| 1923W | Harold Falor | 29 - 0 | 55.3 | OH |
| 1922W | Charlie Davis | 21 - 0 | N/A | OH |
| 1921S | Frank Jackson | 15 - 0 | N/A | IA |
| 1920W | George May | 24 - 0 | N/A | OH |
| 1909 | Frank Jackson | 4 - 0 | N/A | KS |
| LH = Left Handed | ||||
| Updated After 2007 | ||||
| Compiled by Mel Yockstick | ||||