| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. H Malmgren vs Keres |
| 0-1 | 28 |
1933 |
corr ,m Sweden-Estonia | D02 Queen's Pawn Game |
| 2. Keres vs H Malmgren |
| 1-0 | 19 |
1934 |
corresp. | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 3. Keres vs H Malmgren |
| 1-0 | 30 |
1935 |
corr | C02 French, Advance |
| 4. H Malmgren vs Keres |
 | 0-1 | 38 |
1935 |
corr | D02 Queen's Pawn Game |
| 5. G Nagy vs H Malmgren |
| 1-0 | 18 |
1938 |
Correspondence Championship | C83 Ruy Lopez, Open |
| 6. H Ahman vs H Malmgren |
 | 0-1 | 14 |
1947 |
Sweden | D43 Queen's Gambit Declined Semi-Slav |
| 7. H Malmgren vs P van't Veer |
| 1-0 | 26 |
1950 |
1st World Correspondence Chess Championship | B17 Caro-Kann, Steinitz Variation |
| 8. Purdy vs H Malmgren |
| ½-½ | 46 |
1950 |
1st World Correspondence Chess Championship | A28 English |
| 9. H Malmgren vs G Wood |
| 1-0 | 31 |
1950 |
1st World Correspondence Chess Championship | C76 Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation |
| 10. H Malmgren vs M Napolitano |
| 1-0 | 44 |
1950 |
1st World Correspondence Chess Championship | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 11. J W Collins vs H Malmgren |
| 0-1 | 70 |
1950 |
1st World Correspondence Chess Championship | D63 Queen's Gambit Declined, Orthodox Defense |
| 12. H Malmgren vs E Adam |
| ½-½ | 26 |
1950 |
1st World Correspondence Chess Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 13. S Madsen vs H Malmgren |
| ½-½ | 28 |
1950 |
1st World Correspondence Chess Championship | C81 Ruy Lopez, Open, Howell Attack |
| 14. L Watzl vs H Malmgren |
| 0-1 | 40 |
1950 |
1st World Correspondence Chess Championship | C83 Ruy Lopez, Open |
| 15. J Balogh vs H Malmgren |
| 0-1 | 50 |
1950 |
1st World Correspondence Chess Championship | C81 Ruy Lopez, Open, Howell Attack |
| 16. G R Mitchell vs H Malmgren |
| ½-½ | 26 |
1950 |
1st World Correspondence Chess Championship | C83 Ruy Lopez, Open |
| 17. H Malmgren vs A Cuadrado |
| 1-0 | 19 |
1950 |
1st World Correspondence Chess Championship | C81 Ruy Lopez, Open, Howell Attack |
| 18. H Malmgren vs T Van Scheltinga |
| ½-½ | 32 |
1950 |
1st World Correspondence Chess Championship | B29 Sicilian, Nimzovich-Rubinstein |
| 19. O Barda vs H Malmgren |
| ½-½ | 43 |
1950 |
1st World Correspondence Chess Championship | C81 Ruy Lopez, Open, Howell Attack |
| 20. H Malmgren vs G Barcza |
| 0-1 | 42 |
1955 |
SWE | B93 Sicilian, Najdorf, 6.f4 |