| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Devos vs N Folke Ekstroem |
| 0-1 | 29 |
1945 |
Hastings | A06 Reti Opening |
| 2. N Folke Ekstroem vs G A Thomas |
| 1-0 | 36 |
1945 |
Hastings | D55 Queen's Gambit Declined |
| 3. Denker vs N Folke Ekstroem |
| 0-1 | 34 |
1945 |
Hastings | D45 Queen's Gambit Declined Semi-Slav |
| 4. N Folke Ekstroem vs E G Sergeant |
| 1-0 | 35 |
1945 |
Hastings | A08 King's Indian Attack |
| 5. N Folke Ekstroem vs Euwe |
 | 1-0 | 80 |
1945 |
Hastings4546 ;HCL 24 | C47 Four Knights |
| 6. M Christoffel vs N Folke Ekstroem |
| 0-1 | 32 |
1945 |
Hastings | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 7. N Folke Ekstroem vs Prins |
| 1-0 | 36 |
1945 |
Hastings | E60 King's Indian Defense |
| 8. Aitken vs N Folke Ekstroem |
| 0-1 | 60 |
1945 |
Hastings | B84 Sicilian, Scheveningen |
| 9. N Folke Ekstroem vs Mieses |
| 1-0 | 28 |
1945 |
Hastings | D08 Queen's Gambit Declined, Albin Counter Gambit |
| 10. N Folke Ekstroem vs Znosko-Borovsky |
| 1-0 | 30 |
1946 |
Zaandam it | E16 Queen's Indian |
| 11. N Folke Ekstroem vs P M List |
| 1-0 | 34 |
1946 |
Zaandam it, NED | E11 Bogo-Indian Defense |
| 12. N Folke Ekstroem vs Szabo |
| 1-0 | 59 |
1946 |
Zaanstreek | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 13. N Folke Ekstroem vs V Soultanbeieff |
| 1-0 | 26 |
1946 |
Zaandam it, NED | D16 Queen's Gambit Declined Slav |
| 14. H Kramer vs N Folke Ekstroem |
| 0-1 | 52 |
1946 |
Zaandam it, NED | D19 Queen's Gambit Declined Slav, Dutch |
| 15. N Folke Ekstroem vs B H Wood |
| 1-0 | 34 |
1946 |
Zaandam it, NED | C58 Two Knights |
| 16. M Christoffel vs N Folke Ekstroem |
| 0-1 | 70 |
1946 |
Zaandam it, NED | C19 French, Winawer, Advance |
| 17. N Folke Ekstroem vs G Carrisson |
 | 1-0 | 24 |
1961 |
EU-ch M corr | C61 Ruy Lopez, Bird's Defense |