| Result | Tournament |
|---|---|
| Anthony McGill defeated Mario Geudens | 2010 World Open Snooker |
| Mario Geudens defeated Jason Devaney | 2010 World Open Snooker |
| Mark Davis defeated Mario Geudens | 2000 World Championship Snooker |
| Mario Geudens defeated James Tatton | 2000 World Championship Snooker |
| Leigh Griffin defeated Mario Geudens | 2000 Welsh Open Snooker |
| Stuart Pettman defeated Mario Geudens | 2000 Thailand Masters Snooker |
| Karl Broughton defeated Mario Geudens | 2000 Scottish Open Snooker |
| Troy Shaw defeated Mario Geudens | 2000 Malta Grand Prix Snooker |
| Michael Judge defeated Mario Geudens | 1999 World Championship Snooker |
| Mario Geudens defeated Tony Jones | 1999 World Championship Snooker |
| Mario Geudens defeated Patrick Delsemme | 1999 World Championship Snooker |
| Ian McCulloch defeated Mario Geudens | 1999 Welsh Open Snooker |
| Mario Geudens defeated Mike Hallett | 1999 Welsh Open Snooker |
| Michael Judge defeated Mario Geudens | 1999 UK Championship Snooker |
| Surinder Gill defeated Mario Geudens | 1999 Thailand Masters Snooker |
| Robin Hull defeated Mario Geudens | 1999 Scottish Open Snooker |
| Anthony Hamilton defeated Mario Geudens | 1999 Grand Prix Snooker |
| Mario Geudens defeated Alfie Burden | 1999 Grand Prix Snooker |
| Mario Geudens defeated Steve Judd | 1999 Grand Prix Snooker |
| Michael Holt defeated Mario Geudens | 1999 China Open Snooker |
| Patrick Delsemme defeated Mario Geudens | 1999 China International Snooker |
| Leigh Griffin defeated Mario Geudens | 1999 British Open Snooker |
| Terry Murphy defeated Mario Geudens | 1999 British Open Snooker |
| Mario Geudens defeated Nick Pearce | 1999 British Open Snooker |
| Mario Geudens defeated John Whitty | 1999 British Open Snooker |
| Bradley Jones defeated Mario Geudens | 1999 Benson and Hedges Championship Snooker |
| Mario Geudens defeated Lee Walters | 1999 Benson and Hedges Championship Snooker |
| Barry Pinches defeated Mario Geudens | 1998 World Championship Snooker |
| Mario Geudens defeated Patrick Wallace | 1998 World Championship Snooker |
| Mario Geudens defeated Peter Holland | 1998 World Championship Snooker |
| Shaun Murphy defeated Mario Geudens | 1998 UK Championship Snooker |
| Shaun Murphy defeated Mario Geudens | 1998 Irish Open Snooker |
| Rod Lawler defeated Mario Geudens | 1998 Grand Prix Snooker |
| Mario Geudens defeated Jeff Cundy | 1998 Grand Prix Snooker |
| Paul Hunter defeated Mario Geudens | 1997 World Championship Snooker |
| Mario Geudens defeated Jamie Woodman | 1997 World Championship Snooker |
| Mario Geudens defeated Steve Prest | 1997 World Championship Snooker |
| Mario Geudens defeated Andrew Hall | 1997 World Championship Snooker |
| Mark Love defeated Mario Geudens | 1997 Welsh Open Snooker |
| Alan Burnett defeated Mario Geudens | 1997 Thailand Open Snooker |
| Richy McDonald defeated Mario Geudens | 1997 Qualifying School - Event 4 Snooker |
| Mark Fenton defeated Mario Geudens | 1997 Qualifying School - Event 3 Snooker |
| Mario Geudens defeated Joe Grech | 1997 Qualifying School - Event 3 Snooker |
| Gareth Chilcott defeated Mario Geudens | 1997 International Open Snooker |
| Mario Geudens defeated Malcolm Bilclough | 1997 International Open Snooker |
| Leigh Griffin defeated Mario Geudens | 1997 European Open Snooker |
| Mario Geudens defeated Iain Trimble | 1997 European Open Snooker |
| Lee Walker defeated Mario Geudens | 1997 British Open Snooker |
| Mario Geudens defeated Richard Somauroo | 1997 British Open Snooker |
| Robert Donkin defeated Mario Geudens | 1997 Benson and Hedges Championship Snooker |