| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. R Gardner vs Sherzer |
| 0-1 | 48 |
1992 |
Philadelphia World op | B24 Sicilian, Closed |
| 2. R Gardner vs Igor Ivanov |
| 0-1 | 54 |
1994 |
CAN-op Winnipeg | B24 Sicilian, Closed |
| 3. R Gardner vs L Day |
| 0-1 | 44 |
1994 |
Toronto Open | B06 Robatsch |
| 4. R Gardner vs K Spraggett |
| 0-1 | 56 |
1994 |
Hamilton ch-CAN zt | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 5. R Gardner vs A Turzo |
| 0-1 | 56 |
1995 |
It (a), VII, Budapest (Hungary | C34 King's Gambit Accepted |
| 6. R Gardner vs Acs |
| 0-1 | 31 |
1995 |
It (cat.2), VI, Budapest (Hung | C36 King's Gambit Accepted, Abbazia Defense |
| 7. J Quiring vs R Gardner |
| 0-1 | 40 |
1997 |
Canadian Open | B23 Sicilian, Closed |
| 8. R Gardner vs G Gaspariants |
 | 0-1 | 18 |
1998 |
Quebec Open | C30 King's Gambit Declined |
| 9. R Gardner vs C Maduekwe |
| 0-1 | 64 |
2001 |
Ron Banwell Masters | C02 French, Advance |
| 10. R Harman vs R Gardner |
| 0-1 | 28 |
2001 |
Ron Banwell Masters | A58 Benko Gambit |
| 11. R Gardner vs B Morgan |
| 0-1 | 60 |
2001 |
26th Keres Mem | B32 Sicilian |
| 12. R Gardner vs A Odachowski |
| 0-1 | 90 |
2001 |
Canadian Closed | A00 Uncommon Opening |
| 13. J Kerry vs R Gardner |
| 0-1 | 34 |
2001 |
26th Keres Mem | A58 Benko Gambit |
| 14. T Reddy vs R Gardner |
| 0-1 | 44 |
2001 |
Canadian Closed | A10 English |
| 15. T Krnan vs R Gardner |
| 0-1 | 30 |
2004 |
77th Canadian Championship | B09 Pirc, Austrian Attack |
| 16. H Smith vs R Gardner |
| 0-1 | 40 |
2004 |
77th Canadian Championship | B06 Robatsch |
| 17. R Gardner vs D Peng |
 | 0-1 | 35 |
2004 |
77th Canadian Championship | B06 Robatsch |
| 18. R Gardner vs Zhe Quan |
| 0-1 | 38 |
2004 |
77th Canadian Championship | A00 Uncommon Opening |
| 19. R Gardner vs J Ochkoos |
| 0-1 | 34 |
2006 |
Canadian Closed | A03 Bird's Opening |
| 20. R Gardner vs D Rensch |
| 0-1 | 49 |
2007 |
Canadian Open | A02 Bird's Opening |
| 21. P Hum vs R Gardner |
| 0-1 | 64 |
2007 |
Canadian Open | E21 Nimzo-Indian, Three Knights |
| 22. R Gardner vs J Daniluk |
 | 0-1 | 78 |
2009 |
Canadian Open | A00 Uncommon Opening |
| 23. R Gardner vs E Porper |
| 0-1 | 47 |
2009 |
Canadian Open | A02 Bird's Opening |