| Result | Tournament |
|---|---|
| Maurice Parkin defeated Gary Owen | 1980 World Championship Snooker |
| Lou Condo defeated Gary Owen | 1977 Australian Professional Championship Snooker |
| Dennis Wheelwright defeated Gary Owen | 1977 Australian Professional Championship Snooker |
| Ray Reardon defeated Gary Owen | 1976 World Professional Matchplay Championship Snooker |
| Gary Owen defeated Cliff Thorburn | 1976 World Professional Matchplay Championship Snooker |
| Dennis Taylor defeated Gary Owen | 1976 World Championship Snooker |
| Eddie Charlton defeated Gary Owen | 1976 Australian Professional Championship Snooker |
| Dennis Taylor defeated Gary Owen | 1975 World Championship Snooker |
| Gary Owen defeated John Dunning | 1975 World Championship Snooker |
| Gary Owen defeated David Greaves | 1975 World Championship Snooker |
| Marcus Owen defeated Gary Owen | 1974 World Championship Snooker |
| Ray Reardon defeated Gary Owen | 1973 World Championship Snooker |
| Gary Owen defeated Warren Simpson | 1973 World Championship Snooker |
| Gary Owen defeated John Pulman | 1971 Park Drive 2000 - Spring Snooker |
| Gary Owen defeated John Pulman | 1971 Park Drive 2000 - Spring Snooker |
| Gary Owen defeated Rex Williams | 1971 Park Drive 2000 - Spring Snooker |
| Gary Owen defeated Rex Williams | 1971 Park Drive 2000 - Spring Snooker |
| Gary Owen defeated John Pulman | 1971 Park Drive 2000 - Spring Snooker |
| John Spencer defeated Gary Owen | 1971 Park Drive 2000 - Spring Snooker |
| John Spencer defeated Gary Owen | 1971 Park Drive 2000 - Spring Snooker |
| John Spencer defeated Gary Owen | 1971 Park Drive 2000 - Spring Snooker |
| Rex Williams defeated Gary Owen | 1971 Park Drive 2000 - Spring Snooker |
| Eddie Charlton defeated Gary Owen | 1970 World Championship Snooker |
| Gary Owen defeated Unknown Player | 1970 World Championship Snooker |
| Gary Owen defeated Paddy Morgan | 1970 World Championship Snooker |
| Warren Simpson defeated Gary Owen | 1970 World Championship Snooker |
| John Pulman defeated Gary Owen | 1970 World Championship Snooker |
| Gary Owen defeated Rex Williams | 1970 World Championship Snooker |
| John Spencer defeated Gary Owen | 1969 World Championship Snooker |
| Gary Owen defeated Fred Davis | 1969 World Championship Snooker |
| Gary Owen defeated Jackie Rea | 1969 World Championship Snooker |