| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Book vs M Rantanen |
| 1-0 | 33 |
1946 |
Helsinki | C05 French, Tarrasch |
| 2. M Rantanen vs Kovacs |
| 0-1 | 74 |
1954 |
Amsterdam olm | E74 King's Indian, Averbakh, 6...c5 |
| 3. M Rantanen vs I Johannsson |
| 0-1 | 24 |
1954 |
Amsterdam ol (Men) | E90 King's Indian |
| 4. S Burstein vs M Rantanen |
| 1-0 | 40 |
1954 |
Amsterdam ol (Men) | C07 French, Tarrasch |
| 5. Z Kovacs vs M Rantanen |
| 1-0 | 66 |
1954 |
Amsterdam ol (Men) | D51 Queen's Gambit Declined |
| 6. J Penrose vs M Rantanen |
| 1-0 | 35 |
1956 |
Olympiad | B84 Sicilian, Scheveningen |
| 7. F R Anderson vs M Rantanen |
| 1-0 | 75 |
1958 |
13th olm final B | B63 Sicilian, Richter-Rauzer Attack |
| 8. M Rantanen vs B Andersen |
| 0-1 | 26 |
1958 |
13th olm final B | E46 Nimzo-Indian |
| 9. M Rantanen vs K Kirby |
| 0-1 | 44 |
1958 |
13th olm qual. group 2 | D34 Queen's Gambit Declined, Tarrasch |
| 10. S Smiltiner vs M Rantanen |
| 1-0 | 43 |
1958 |
13th olm final B | A14 English |
| 11. A Vestol vs M Rantanen |
| 1-0 | 41 |
1958 |
13th olm qual. group 2 | A04 Reti Opening |
| 12. M Mallofre vs M Rantanen |
| 1-0 | 50 |
1958 |
13th olm qual. group 2 | B88 Sicilian, Fischer-Sozin Attack |
| 13. Keene vs M Rantanen |
  | 1-0 | 42 |
1966 |
British Chess Federation v Finland | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
