| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. V Vepkhvishvili vs M Langer |
| 1-0 | 33 |
1991 |
Open Praha | B02 Alekhine's Defense |
| 2. Gipslis vs M Langer |
| 1-0 | 51 |
1996 |
It (open) | B14 Caro-Kann, Panov-Botvinnik Attack |
| 3. G Welling vs M Langer |
| 1-0 | 28 |
1998 |
Kona,US open | A07 King's Indian Attack |
| 4. Y Shulman vs M Langer |
| 1-0 | 34 |
2000 |
Thompson mem op | A65 Benoni, 6.e4 |
| 5. M Langer vs G Hill |
| 1-0 | 51 |
2001 |
American Open | B01 Scandinavian |
| 6. S Bromberger vs M Langer |
| 1-0 | 26 |
2001 |
5th OIBM | D43 Queen's Gambit Declined Semi-Slav |
| 7. V Akobian vs M Langer |
| 1-0 | 36 |
2001 |
American Open | A70 Benoni, Classical with 7.Nf3 |
| 8. M Langer vs D Pruess |
| 1-0 | 34 |
2001 |
American Open | C05 French, Tarrasch |
| 9. R Antonio vs M Langer |
 | 1-0 | 45 |
2005 |
HB Global Chess Challenge | B22 Sicilian, Alapin |
| 10. M Langer vs P Vavrak |
| 1-0 | 68 |
2005 |
HB Global Chess Challenge | C03 French, Tarrasch |
| 11. J Curdo vs M Langer |
| 1-0 | 23 |
2005 |
Stillwater OCF Winter | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 12. M Langer vs D Pruess |
| 1-0 | 64 |
2007 |
US Championships | B14 Caro-Kann, Panov-Botvinnik Attack |
| 13. M Langer vs M Aigner |
| 1-0 | 65 |
2007 |
US Championships | B33 Sicilian |
| 14. Stripunsky vs M Langer |
| 1-0 | 55 |
2007 |
US Championships | B50 Sicilian |
| 15. Browne vs M Langer |
| 1-0 | 51 |
2007 |
US Championships | A70 Benoni, Classical with 7.Nf3 |
| 16. M Langer vs B G Smith |
| 1-0 | 46 |
2007 |
US Championships | C03 French, Tarrasch |
| 17. A Ivanov vs M Langer |
| 1-0 | 40 |
2007 |
US Championships | B25 Sicilian, Closed |
| 18. V Cmilyte vs M Langer |
| 1-0 | 52 |
2008 |
Gibraltar | A65 Benoni, 6.e4 |
| 19. M Langer vs S Shankland |
| 1-0 | 22 |
2008 |
US Championship | B20 Sicilian |
| 20. M Langer vs R Hughes |
| 1-0 | 28 |
2008 |
Gibraltar | B01 Scandinavian |
| 21. Kaufman vs M Langer |
| 1-0 | 32 |
2008 |
US Championship | A65 Benoni, 6.e4 |
| 22. M Langer vs D Glascock |
| 1-0 | 31 |
2008 |
Stillwater Winter FIDE | C45 Scotch Game |
| 23. E Perelshteyn vs M Langer |
| 1-0 | 37 |
2008 |
US Championship | A04 Reti Opening |
| 24. T Perman vs M Langer |
| 1-0 | 55 |
2008 |
Gibraltar | A34 English, Symmetrical |
| 25. M Langer vs D Van Heirzeele |
| 1-0 | 23 |
2009 |
Canadian Open | B70 Sicilian, Dragon Variation |
