| Result | Tournament |
|---|---|
| Jak Jones defeated Geoff Williams | 2012 PTC - Event 4 Snooker |
| Chris Norbury defeated Geoff Williams | 2011 PTC - Event 7 Snooker |
| Geoff Williams defeated Hasan Khan | 2011 PTC - Event 7 Snooker |
| Hugh Abernethy defeated Geoff Williams | 1995 Welsh Open Snooker |
| Robin Hull defeated Geoff Williams | 1995 Thailand Open Snooker |
| Munier Cassim defeated Geoff Williams | 1995 International Open Snooker |
| Simon Parker defeated Geoff Williams | 1995 British Open Snooker |
| Geoff Williams defeated Ian Simmons | 1995 British Open Snooker |
| Chris Scanlon defeated Geoff Williams | 1994 World Championship Snooker |
| Geoff Williams defeated James Vicarey | 1994 World Championship Snooker |
| Geoff Williams defeated Matthew Spade | 1994 World Championship Snooker |
| Mark King defeated Geoff Williams | 1994 Welsh Open Snooker |
| Geoff Williams defeated Simon Parker | 1994 Welsh Open Snooker |
| Geoff Williams defeated David Wilson | 1994 Welsh Open Snooker |
| Geoff Williams defeated Gerry Jones | 1994 Welsh Open Snooker |
| Geoff Williams defeated Darren Martin | 1994 Welsh Open Snooker |
| Geoff Williams defeated Darren Holdcroft | 1994 Welsh Open Snooker |
| Robert Chapman defeated Geoff Williams | 1994 UK Championship Snooker |
| Geoff Williams defeated Jamie Home | 1994 UK Championship Snooker |
| Nick Marsh defeated Geoff Williams | 1994 Thailand Open Snooker |
| Geoff Williams defeated Peter Peratikou | 1994 Thailand Open Snooker |
| Geoff Williams defeated Neil Hoggarth | 1994 Thailand Open Snooker |
| Jamie Bodle defeated Geoff Williams | 1994 International Open Snooker |
| Geoff Williams defeated Andrew Alexandrou | 1994 International Open Snooker |
| Geoff Williams defeated Trevor Holtby | 1994 International Open Snooker |
| Geoff Williams defeated James McGouran | 1994 International Open Snooker |
| Allison Fisher defeated Geoff Williams | 1994 Grand Prix Snooker |
| Geoff Williams defeated Richard Somauroo | 1994 Grand Prix Snooker |
| Joe Jogia defeated Geoff Williams | 1994 European Open Snooker |
| Richy McDonald defeated Geoff Williams | 1994 Dubai Classic Snooker |
| Geoff Williams defeated Costas Kassinides | 1994 Dubai Classic Snooker |
| Patrick Delsemme defeated Geoff Williams | 1994 British Open Snooker |
| Graham Fisken defeated Geoff Williams | 1993 UK Championship Snooker |
| Geoff Williams defeated Gerry Jones | 1993 UK Championship Snooker |
| Geoff Williams defeated Iain Trimble | 1993 UK Championship Snooker |
| Geoff Williams defeated Clyde Pearson | 1993 UK Championship Snooker |
| Iwan Jones defeated Geoff Williams | 1993 Grand Prix Snooker |
| Geoff Williams defeated Stuart Pegrum | 1993 Grand Prix Snooker |
| Geoff Williams defeated Mark Peevers | 1993 Grand Prix Snooker |
| Geoff Williams defeated Chris O'Sullivan | 1993 Grand Prix Snooker |
| Stephen Kershaw defeated Geoff Williams | 1993 European Open Snooker |
| Tom Finstad defeated Geoff Williams | 1993 Dubai Classic Snooker |
| Geoff Williams defeated Stephen Roberts | 1993 Dubai Classic Snooker |
| Geoff Williams defeated Elliott Clark | 1993 Dubai Classic Snooker |
| Geoff Williams defeated Mark Ganderton | 1993 Dubai Classic Snooker |
| Amrik Cheema defeated Geoff Williams | 1992 World Championship Snooker |
| Geoff Williams defeated Paul Hefford | 1992 World Championship Snooker |
| Fergal O'Brien defeated Geoff Williams | 1992 Welsh Open Snooker |
| Geoff Williams defeated Gary Peters | 1992 Welsh Open Snooker |
| Geoff Williams defeated Chris Carpenter | 1992 Welsh Open Snooker |