| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. G Haase vs O Sarapu |
| ½-½ | 62 |
1960 |
67th New Zealand Championship | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 2. O Sarapu vs G Haase |
| ½-½ | 40 |
1961 |
68th New Zealand Championship | C40 King's Knight Opening |
| 3. O Sarapu vs G Haase |
| 1-0 | 64 |
1962 |
69th New Zealand Championship | C77 Ruy Lopez |
| 4. G Haase vs O Sarapu |
| 0-1 | 39 |
1964 |
71st New Zealand Championship | B09 Pirc, Austrian Attack |
| 5. G Haase vs O Sarapu |
| 0-1 | 51 |
1965 |
72nd New Zealand Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 6. O Sarapu vs G Haase |
| 1-0 | 24 |
1966 |
73rd New Zealand Championship | C77 Ruy Lopez |
| 7. G Haase vs O Sarapu |
 | 0-1 | 47 |
1969 |
76th New Zealand Championship | D32 Queen's Gambit Declined, Tarrasch |
| 8. G Haase vs O Sarapu |
| 0-1 | 36 |
1970 |
77th New Zealand Championship | A76 Benoni, Classical, 9...Re8 |
| 9. G Haase vs A Pomeroy |
| 0-1 | 45 |
1975 |
NZL-ch | A45 Queen's Pawn Game |
| 10. G Haase vs O Sarapu |
| 1-0 | 43 |
1975 |
82nd New Zealand Championship | D30 Queen's Gambit Declined |
| 11. P Paris vs G Haase |
| ½-½ | 30 |
1976 |
Otago C C Ch | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 12. G Haase vs R Nokes |
| ½-½ | 32 |
1976 |
South Island Championship | A04 Reti Opening |
| 13. D Lichter vs G Haase |
| 1-0 | 31 |
1976 |
Otago C C Ch | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 14. G Haase vs J Adams |
| 1-0 | 29 |
1977 |
McCleland Trophy | A05 Reti Opening |
| 15. R L Perry vs G Haase |
| 1-0 | 58 |
1978 |
Otago C C Challenge Trophy | C79 Ruy Lopez, Steinitz Defense Deferred |
| 16. G Haase vs P Paris |
| 0-1 | 43 |
1978 |
Otago C C Challenge Trophy | A45 Queen's Pawn Game |
| 17. T Van Dijk vs G Haase |
| ½-½ | 46 |
1978 |
4th Rank Xerox Easter Open | C60 Ruy Lopez |
| 18. K Jensen vs G Haase |
| 1-0 | 33 |
1980 |
Otago Premier Tt | E06 Catalan, Closed, 5.Nf3 |
| 19. D Lichter vs G Haase |
| 1-0 | 34 |
1980 |
Otago Premier Tt | C20 King's Pawn Game |
| 20. A McIntosh vs G Haase |
| 1-0 | 27 |
1984 |
A Grade Club Competition | C55 Two Knights Defense |
| 21. G Haase vs A Pomeroy |
| ½-½ | 51 |
1992 |
NZL-chB | E92 King's Indian |