| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Oren vs Friedmann |
| 1-0 | 34 |
1926 |
Poland | D30 Queen's Gambit Declined |
| 2. Rubinstein vs M Oren |
 | 1-0 | 21 |
1927 |
Lodz | E32 Nimzo-Indian, Classical |
| 3. M Oren vs M Lowcki |
| 0-1 | 41 |
1927 |
POL-ch | A04 Reti Opening |
| 4. M Oren vs D Daniuszewski |
| 1-0 | 39 |
1927 |
POL-ch | D37 Queen's Gambit Declined |
| 5. M Oren vs A Vajda |
| 0-1 | 36 |
1928 |
Olympiad | E11 Bogo-Indian Defense |
| 6. J Rejfir vs M Oren |
| 0-1 | 39 |
1928 |
The Hague ol (Men) | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 7. Weenink vs M Oren |
| 1-0 | 31 |
1928 |
Olympiad | B83 Sicilian |
| 8. F Scafarelli vs M Oren |
| 0-1 | 39 |
1952 |
Helsinki ol (Men) | D30 Queen's Gambit Declined |
| 9. M Oren vs Smyslov |
| ½-½ | 52 |
1952 |
01, Helsinki | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 10. M Oren vs Larry Evans |
| 0-1 | 62 |
1952 |
Helsinki ol (Men) | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 11. M Oren vs Sliwa |
| 0-1 | 41 |
1952 |
Helsinki ol (Men) | E16 Queen's Indian |
| 12. M Oren vs W Pietzsch |
 | 1-0 | 42 |
1952 |
Helsinki ol (Men) | E17 Queen's Indian |
| 13. M Oren vs I Dyner |
 | 1-0 | 24 |
1952 |
Tel Aviv, Israel | E60 King's Indian Defense |
| 14. J H Donner vs M Oren |
| 1-0 | 54 |
1952 |
Helsinki ol (Men) | C10 French |
| 15. A Pytlakowski vs M Oren |
| 0-1 | 40 |
1952 |
Helsinki ol (Men) | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 16. K Tsiknopoulos vs M Oren |
| 0-1 | 76 |
1952 |
Helsinki ol (Men) | B20 Sicilian |
| 17. M Oren vs J C Gonzalez |
| ½-½ | 60 |
1952 |
Helsinki ol (Men) | D37 Queen's Gambit Declined |
| 18. M Oren vs K S Ojanen |
| 1-0 | 41 |
1952 |
Helsinki ol (Men) | A98 Dutch, Ilyin-Genevsky Variation with Qc2 |
| 19. Prins vs M Oren |
| 1-0 | 23 |
1952 |
Helsinki ol (Men) | C00 French Defense |
| 20. M Oren vs C Poulsen |
| ½-½ | 27 |
1952 |
Helsinki ol (Men) | D43 Queen's Gambit Declined Semi-Slav |
| 21. P Mueller vs M Oren |
| 0-1 | 51 |
1952 |
Helsinki ol (Men) | C07 French, Tarrasch |
| 22. M Oren vs B Rabar |
| ½-½ | 16 |
1954 |
Amsterdam ol (Men) | D38 Queen's Gambit Declined, Ragozin Variation |
| 23. M Oren vs G Palmason |
| 1-0 | 45 |
1954 |
Amsterdam ol (Men) | E46 Nimzo-Indian |
| 24. M Oren vs T Store |
| 1-0 | 28 |
1954 |
Amsterdam ol (Men) | D10 Queen's Gambit Declined Slav |
| 25. M Oren vs Julio Bolbochan |
| ½-½ | 25 |
1954 |
Amsterdam ol (Men) | E67 King's Indian, Fianchetto |