| Result | Tournament |
|---|---|
| Matthew Street defeated Geoff Dunn | 2000 World Championship Snooker |
| Paul McPhillips defeated Geoff Dunn | 1999 World Championship Snooker |
| Geoff Dunn defeated Paul Cavney | 1999 World Championship Snooker |
| Geoff Dunn defeated Joe O'Boye | 1999 World Championship Snooker |
| Chatchawan Rutphae defeated Geoff Dunn | 1999 Welsh Open Snooker |
| Oliver King defeated Geoff Dunn | 1999 Thailand Masters Snooker |
| Geoff Dunn defeated Neil Robertson | 1999 Thailand Masters Snooker |
| Alan Burnett defeated Geoff Dunn | 1999 Scottish Open Snooker |
| Geoff Dunn defeated Neil Robertson | 1999 Scottish Open Snooker |
| David Coles defeated Geoff Dunn | 1999 China International Snooker |
| Tony Knowles defeated Geoff Dunn | 1999 British Open Snooker |
| Geoff Dunn defeated Farhan Mirza | 1999 British Open Snooker |
| John Burns defeated Geoff Dunn | 1998 World Championship Snooker |
| Nick Terry defeated Geoff Dunn | 1998 UK Tour - Event 5 Snooker |
| Geoff Dunn defeated John Bayliss | 1998 UK Tour - Event 5 Snooker |
| Eddie Barker defeated Geoff Dunn | 1998 UK Tour - Event 4 Snooker |
| Geoff Dunn defeated Surinder Gill | 1998 UK Tour - Event 4 Snooker |
| Geoff Dunn defeated Michael Holt | 1998 UK Tour - Event 4 Snooker |
| Micky Roughan defeated Geoff Dunn | 1998 UK Tour - Event 3 Snooker |
| Stephen Murphy defeated Geoff Dunn | 1998 UK Tour - Event 2 Snooker |
| Geoff Dunn defeated Andrew Cairns | 1998 UK Tour - Event 2 Snooker |
| Geoff Dunn defeated Jason Pegram | 1998 UK Tour - Event 2 Snooker |
| Simon Bedford defeated Geoff Dunn | 1998 UK Tour - Event 1 Snooker |
| Mark Fenton defeated Geoff Dunn | 1998 UK Championship Snooker |
| Geoff Dunn defeated Keith Boon | 1998 UK Championship Snooker |
| Mario Wehrmann defeated Geoff Dunn | 1998 Irish Open Snooker |
| Patrick Delsemme defeated Geoff Dunn | 1998 Grand Prix Snooker |
| Darren Morgan defeated Geoff Dunn | 1998 Benson and Hedges Championship Snooker |
| Geoff Dunn defeated Anthony Bridge | 1998 Benson and Hedges Championship Snooker |
| Graeme Dott defeated Geoff Dunn | 1997 World Championship Snooker |
| Geoff Dunn defeated Wayne Jones | 1997 World Championship Snooker |
| Geoff Dunn defeated Leigh Griffin | 1997 World Championship Snooker |
| Geoff Dunn defeated Paul McPhillips | 1997 World Championship Snooker |
| Geoff Dunn defeated Mark Gray | 1997 World Championship Snooker |
| Geoff Dunn defeated Tim Price | 1997 World Championship Snooker |
| Simon Parker defeated Geoff Dunn | 1997 Welsh Open Snooker |
| Geoff Dunn defeated Avtar Sohanpal | 1997 Welsh Open Snooker |
| Chris Scanlon defeated Geoff Dunn | 1997 Thailand Open Snooker |
| Geoff Dunn defeated Justin Buckingham | 1997 Thailand Open Snooker |
| Geoff Dunn defeated Sanjay Meghani | 1997 Thailand Open Snooker |
| Barry Pinches defeated Geoff Dunn | 1997 Qualifying School - Event 4 Snooker |
| Geoff Dunn defeated Ryan Michael | 1997 Qualifying School - Event 4 Snooker |
| Mike Hallett defeated Geoff Dunn | 1997 Qualifying School - Event 3 Snooker |
| Geoff Dunn defeated John Bayliss | 1997 Qualifying School - Event 3 Snooker |
| Paul Davison defeated Geoff Dunn | 1997 Qualifying School - Event 2 Snooker |
| Geoff Dunn defeated Munraj Pal | 1997 Qualifying School - Event 2 Snooker |
| Bjorn Haneveer defeated Geoff Dunn | 1997 Qualifying School - Event 1 Snooker |
| Nigel Gilbert defeated Geoff Dunn | 1997 International Open Snooker |
| Geoff Dunn defeated Matthew Stevens | 1997 International Open Snooker |
| Geoff Dunn defeated Shane Haines | 1997 International Open Snooker |