| Result | Tournament |
|---|---|
| Tony Chappel defeated Marcus Owen | 1986 Welsh Professional Championship Snooker |
| Tony Chappel defeated Marcus Owen | 1985 Welsh Professional Championship Snooker |
| Ray Reardon defeated Marcus Owen | 1984 Welsh Professional Championship Snooker |
| Murdo Macleod defeated Marcus Owen | 1983 World Championship Snooker |
| Doug Mountjoy defeated Marcus Owen | 1983 Welsh Professional Championship Snooker |
| Cliff Wilson defeated Marcus Owen | 1982 Welsh Professional Championship Snooker |
| Vic Harris defeated Marcus Owen | 1982 UK Championship Snooker |
| Tony Meo defeated Marcus Owen | 1982 Professional Players Tournament Snooker |
| Bernard Bennett defeated Marcus Owen | 1982 International Open Snooker |
| Eugene Hughes defeated Marcus Owen | 1981 International Open Snooker |
| Lou Condo defeated Marcus Owen | 1976 World Championship Snooker |
| Ray Reardon defeated Marcus Owen | 1974 World Championship Snooker |
| Marcus Owen defeated Gary Owen | 1974 World Championship Snooker |
| Marcus Owen defeated Maurice Parkin | 1974 World Championship Snooker |
| Marcus Owen defeated Dennis Taylor | 1974 World Championship Snooker |
| Rex Williams defeated Marcus Owen | 1974 Norwich Union Open Snooker |
| Chris Ross defeated Marcus Owen | 1973 Norwich Union Open Snooker |