| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Kohn vs M Oren |
| 1-0 | 51 | 1926 | POL-ch01 | D30 Queen's Gambit Declined |
| 2. M Oren vs H Friedmann |
| 1-0 | 34 | 1926 | Polish Championship | D30 Queen's Gambit Declined |
| 3. Rubinstein vs M Oren |
 | 1-0 | 21 | 1927 | Polish Championship | E32 Nimzo-Indian, Classical |
| 4. M Oren vs P Frydman |
| 1-0 | 34 | 1927 | Polish Championship | D57 Queen's Gambit Declined, Lasker Defense |
| 5. J Kleczynski Jr vs M Oren |
| 1-0 | 53 | 1927 | Polish Championship | D60 Queen's Gambit Declined, Orthodox Defense |
| 6. M Oren vs J Kolski |
| 1-0 | 30 | 1927 | Polish Championship | C27 Vienna Game |
| 7. M Oren vs M Lowcki |
| 0-1 | 41 | 1927 | Polish Championship | A04 Reti Opening |
| 8. Tartakower vs M Oren |
| ½-½ | 20 | 1927 | Polish Championship | C54 Giuoco Piano |
| 9. M Oren vs D Daniuszewski |
| 1-0 | 39 | 1927 | Polish Championship | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 10. A Ribera Arnal vs M Oren |
| 0-1 | 28 | 1928 | The Hague Olympiad | B83 Sicilian |
| 11. M Oren vs A Vajda |
| 0-1 | 36 | 1928 | The Hague Olympiad | E11 Bogo-Indian Defense |
| 12. J Rejfir vs M Oren |
| 0-1 | 39 | 1928 | The Hague Olympiad | D57 Queen's Gambit Declined, Lasker Defense |
| 13. H Weenink vs M Oren |
| 1-0 | 31 | 1928 | The Hague Olympiad | B83 Sicilian |
| 14. M Oren vs I Dyner |
| 1-0 | 24 | 1952 | Tel Aviv | E60 King's Indian Defense |
| 15. M Oren vs Smyslov |
| ½-½ | 52 | 1952 | Helsinki Olympiad qual-3 | D10 Queen's Gambit Declined Slav |
| 16. M Oren vs Evans |
| 0-1 | 62 | 1952 | Helsinki Olympiad qual-3 | E67 King's Indian, Fianchetto |
| 17. P Mueller-Breil vs M Oren |
| 0-1 | 51 | 1952 | Helsinki Olympiad qual-3 | C07 French, Tarrasch |
| 18. M Oren vs Sliwa |
| 0-1 | 41 | 1952 | Helsinki Olympiad qual-3 | E16 Queen's Indian |
| 19. L Prins vs M Oren |
| 1-0 | 23 | 1952 | Helsinki Olympiad qual-3 | C00 French Defense |
| 20. M Oren vs K Ojanen |
| 1-0 | 41 | 1952 | Helsinki Olympiad qual-3 | A97 Dutch, Ilyin-Genevsky |
| 21. K Tsiknopoulos vs M Oren |
| 0-1 | 76 | 1952 | Helsinki Olympiad qual-3 | B20 Sicilian |
| 22. A Pytlakowski vs M Oren |
| 0-1 | 40 | 1952 | Helsinki Olympiad Final-B | D32 Queen's Gambit Declined, Tarrasch |
| 23. M Oren vs W Pietzsch |
| 1-0 | 42 | 1952 | Helsinki Olympiad Final-B | E17 Queen's Indian |
| 24. F Scafarelli vs M Oren |
| 0-1 | 39 | 1952 | Helsinki Olympiad Final-B | D30 Queen's Gambit Declined |
| 25. M Oren vs C Poulsen |
 | ½-½ | 27 | 1952 | Helsinki Olympiad Final-B | D43 Queen's Gambit Declined Semi-Slav |
Kibitzing
