| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. H Westerinen vs Tringov |
| ½-½ | 46 |
1967 |
October Revolution 50 | C94 Ruy Lopez, Closed, Breyer Defense |
| 2. H Westerinen vs Portisch |
| 0-1 | 50 |
1969 |
Raach | C94 Ruy Lopez, Closed, Breyer Defense |
| 3. H Westerinen vs Smejkal |
| 0-1 | 41 |
1971 |
Tallinn | C94 Ruy Lopez, Closed, Breyer Defense |
| 4. H Westerinen vs A Hennings |
| ½-½ | 37 |
1972 |
Helsinki | C94 Ruy Lopez, Closed, Breyer Defense |
| 5. H Westerinen vs Razuvaev |
| ½-½ | 27 |
1976 |
EUCup final | C94 Ruy Lopez, Closed, Breyer Defense |
| 6. H Westerinen vs Reshevsky |
| ½-½ | 12 |
1979 |
Esjberg | C94 Ruy Lopez, Closed, Breyer Defense |
