| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Y Rantanen vs B Denman |
| 1-0 | 20 |
1972 |
Skopje | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 2. Y Rantanen vs S Fedder |
| 0-1 | 40 |
1973 |
Ribe 6 Nations chT | B96 Sicilian, Najdorf |
| 3. Y Rantanen vs Quinteros |
| 1-0 | 39 |
1980 |
Malta | B93 Sicilian, Najdorf, 6.f4 |
| 4. Y Rantanen vs Nunn |
| ½-½ | 22 |
1981 |
Helsinki | B93 Sicilian, Najdorf, 6.f4 |
| 5. Y Rantanen vs L Spassov |
| 1-0 | 37 |
1981 |
9. Eksjo SK | B93 Sicilian, Najdorf, 6.f4 |
| 6. Y Rantanen vs K Helmers |
| ½-½ | 55 |
1982 |
Randers | B93 Sicilian, Najdorf, 6.f4 |
| 7. Y Rantanen vs A Kuligowski |
| ½-½ | 43 |
1983 |
Poutiainen mem | B93 Sicilian, Najdorf, 6.f4 |
| 8. Y Rantanen vs Antti Loisa |
| 1-0 | 41 |
1987 |
Jyvaskyla | B93 Sicilian, Najdorf, 6.f4 |
| 9. Y Rantanen vs Marinelli Tullio |
| 1-0 | 37 |
1989 |
EU-chT (Men) | B90 Sicilian, Najdorf |
| 10. Y Rantanen vs Dvoirys |
| ½-½ | 48 |
2001 |
Solett Open | B95 Sicilian, Najdorf, 6...e6 |
| 11. Y Rantanen vs B Arvola |
| 0-1 | 16 |
2009 |
Politiken Cup | B95 Sicilian, Najdorf, 6...e6 |