| # | Date | Promotion | Match |
| 1 | 20.11.1942 |  |
Best Two Out Of Three Falls: Jack Hader & John Olin vs. Frank Frogge & Nick Elitch - Time Limit Draw [1:1] MWA Kansas - Event @ Auditorium in St Joseph, Missouri, USA |
| 2 | 19.11.1942 | |
Frank Nelson vs. John Olin - Time Limit Draw (30:00) MWA Kansas - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 3 | 13.11.1942 | |
Bad Boy Brown defeats John Olin (14:00) MWA Kansas - Event @ Auditorium in St. Joseph, Missouri, USA |
| 4 | 21.02.1922 |
Best Two Out Of Three Falls: Dick Daviscourt vs. John Olin - Time Limit Draw [1:1] (45:00) Jack Curley Promotions - Event @ Madison Square Garden in New York City, New York, USA | |
| 5 | 24.01.1921 |
John Olin defeats August Lock (7:20) Jack Curley Promotions - Event @ 71st Regiment Armory in New York City, New York, USA | |
| 6 | 01.01.1921 |  |
Best Two Out Of Three Falls: Wladek Zbyszko defeats John Olin [2:1] (61:46) Wrestling In Worcester - Event @ Church Street Auditorium in Worcester, Massachusetts, USA |
| 7 | 13.12.1920 |
John Olin defeats Raymond Cazeaux (8:53) Jack Curley Promotions - Event @ 71st Regiment Armory in New York City, New York, USA | |
| 8 | 29.03.1920 |
Stanislaus Zbyszko defeats John Olin (53:27) Jack Curley Promotions - Event @ 71st Regiment Armory in New York City, New York, USA | |
| 9 | 19.02.1920 | |
Ed Lewis defeats John Olin (125:00) Wrestling In Wichita - Event @ Wichita, Kansas, USA |
| 10 | 11.06.1918 | |
World Heavyweight Title Best Two Out Of Three Falls: Earl Caddock (c) defeats John Olin [2:0] (46:30) Wrestling In Waterloo - Event @ Waterloo, Iowa, USA |
| 11 | 12.04.1918 | |
World Heavyweight Title Best Two Out Of Three Falls: Earl Caddock (c) defeats John Olin [2:0] (64:22) Wrestling In Des Moines - Event @ Coliseum in Des Moines, Iowa, USA |
| 12 | 11.05.1917 | |
Best Two Out Of Three Falls: Wladek Zbyszko defeats John Olin [2:1] Wrestling In Louisville - Event @ Louisville, Kentucky, USA |
| 13 | 02.05.1917 | |
World Heavyweight Title Best Two Out Of Three Falls Match (Special Referee: Frank Gotch): Ed Lewis defeats John Olin (c) by referee's decision [0:0] (157:00) - TITLE CHANGE !!! Wrestling In Chicago - Event @ Chicago Coliseum in Chicago, Illinois, USA |
| 14 | 11.12.1916 | |
World Heavyweight Title Best Two Out Of Three Falls: John Olin defeats Joe Stecher (c) [0:0] (160:00) - TITLE CHANGE !!! Wrestling In Springfield - Event @ Springfield, Massachusetts, USA |
