| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L Day vs W Doubleday |
 | 1-0 | 42 |
1968 |
Eastern Canada Intercoll. | C02 French, Advance |
| 2. W Doubleday vs L Day |
| 0-1 | 36 |
1975 |
12, Calgary CAN ch zt | A75 Benoni, Classical with ...a6 and 10...Bg4 |
| 3. W Doubleday vs K Spraggett |
| 0-1 | 39 |
1975 |
Calgary CAN ch zt | D63 Queen's Gambit Declined, Orthodox Defense |
| 4. W Doubleday vs Kudrin |
 | 0-1 | 30 |
2004 |
Ontario Open | D92 Grunfeld, 5.Bf4 |
| 5. W Doubleday vs C S Gokhale |
| ½-½ | 46 |
2006 |
Canadian Open | D53 Queen's Gambit Declined |
| 6. W Doubleday vs F De la Paz |
| 1-0 | 46 |
2007 |
Canadian Open | E91 King's Indian |
| 7. Bradford vs W Doubleday |
| 1-0 | 57 |
2007 |
Canadian Open | A07 King's Indian Attack |
| 8. W Doubleday vs E Hansen |
| 0-1 | 34 |
2009 |
Canadian Open | E46 Nimzo-Indian |
| 9. Mulyar vs W Doubleday |
| 1-0 | 43 |
2009 |
Canadian Open | A20 English |
| 10. E Hansen vs W Doubleday |
| 0-1 | 31 |
2010 |
Gibraltar | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 11. G Mancini vs W Doubleday |
 | 0-1 | 27 |
2010 |
Gibraltar | D00 Queen's Pawn Game |
| 12. W Doubleday vs M De Lillo |
| 0-1 | 64 |
2010 |
Gibraltar | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 13. A Tari vs W Doubleday |
| ½-½ | 37 |
2010 |
Gibraltar | B89 Sicilian |
| 14. W Doubleday vs S Winkler |
| 1-0 | 37 |
2010 |
Gibraltar | E00 Queen's Pawn Game |
| 15. W Doubleday vs Hamad Al-Tamimi |
| 0-1 | 71 |
2010 |
Gibraltar | D31 Queen's Gambit Declined |
| 16. F B Jacobsen vs W Doubleday |
| 1-0 | 46 |
2010 |
Gibraltar | B25 Sicilian, Closed |
| 17. A Steinskog vs W Doubleday |
| 0-1 | 22 |
2010 |
Gibraltar | B68 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7 |
| 18. W Doubleday vs J Sarkar |
| 0-1 | 24 |
2010 |
Gibraltar | E46 Nimzo-Indian |
| 19. M Barron vs W Doubleday |
| 1-0 | 56 |
2010 |
Canadian Open - Westin Harbour Castle | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 20. W Doubleday vs Y Duhayon |
| 0-1 | 24 |
2010 |
Gibraltar | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 21. Karasev vs W Doubleday |
| 1-0 | 32 |
2011 |
21st World Seniors Championship | A00 Uncommon Opening |
| 22. W Doubleday vs Richard Glew |
| 1-0 | 22 |
2011 |
Canadian Senior championship | D10 Queen's Gambit Declined Slav |
| 23. I Kiss vs W Doubleday |
| 0-1 | 27 |
2011 |
Canadian Senior championship | B32 Sicilian |