| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Friedman vs J Langreck |
| 0-1 | 31 |
1997 |
Dayton Grand Prix | A07 King's Indian Attack |
| 2. Ann Marie Rosas vs J Langreck |
| 0-1 | 25 |
1997 |
Terre Haute Grand Prix | C44 King's Pawn Game |
| 3. S Hersey vs J Langreck |
 | 0-1 | 18 |
1997 |
WWW.JOBS-RESUMES.Open | C89 Ruy Lopez, Marshall |
| 4. Gregg Stark vs J Langreck |
| 0-1 | 25 |
1997 |
Kings Open | E67 King's Indian, Fianchetto |
| 5. R Olthof vs J Langreck |
| 0-1 | 29 |
1997 |
Hoogovens Open | C45 Scotch Game |
| 6. J Langreck vs J Wysocki |
 | 0-1 | 52 |
1997 |
Kings Open | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 7. K Ceterski vs J Langreck |
| 0-1 | 33 |
1997 |
Hoogovens Open | E76 King's Indian, Four Pawns Attack |
| 8. R Driver vs J Langreck |
| 0-1 | 26 |
1997 |
Dayton Grand Prix | C47 Four Knights |
| 9. Peter Carl Andreas vs J Langreck |
| 0-1 | 66 |
1997 |
Cleveland Grand Prix | E70 King's Indian |
| 10. Rubin Miller vs J Langreck |
| 0-1 | 30 |
1997 |
Terre Haute Grand Prix | E81 King's Indian, Samisch |
| 11. B Simic vs J Langreck |
| 0-1 | 33 |
1997 |
WWW.JOBS-RESUMES.Open | E99 King's Indian, Orthodox, Taimanov |
| 12. W J Aramil vs J Langreck |
 | 0-1 | 59 |
2000 |
Indiana State Championship | E61 King's Indian |
| 13. J Langreck vs L Kistler |
| 0-1 | 22 |
2000 |
Indiana State Championship | B98 Sicilian, Najdorf |
| 14. H Henderson vs J Langreck |
| 0-1 | 30 |
2000 |
Indiana State Championship | A68 Benoni, Four Pawns Attack |
| 15. Kevin Carl vs J Langreck |
| 0-1 | 42 |
2001 |
U.S.A.T. Midwest | B24 Sicilian, Closed |
| 16. J Langreck vs Y Gershov |
| 0-1 | 14 |
2001 |
Western States Open | B12 Caro-Kann Defense |
| 17. J Langreck vs Y Ashuev |
| 0-1 | 34 |
2001 |
U.S.A.T. Midwest | C18 French, Winawer |
| 18. M Aaron vs J Langreck |
| 0-1 | 44 |
2001 |
U.S.A.T. Midwest | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 19. O Virijevich vs J Langreck |
| 0-1 | 34 |
2002 |
U.S.A.T. Midwest | A04 Reti Opening |
| 20. A Betaneli vs J Langreck |
| 0-1 | 77 |
2002 |
U.S.A.T. Midwest | A16 English |
| 21. J Langreck vs J Sarkar |
| 0-1 | 39 |
2003 |
World Open | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 22. J Langreck vs J Donaldson |
| 0-1 | 54 |
2003 |
World Open | B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 |
| 23. J Langreck vs J McFarland |
| 0-1 | 31 |
2004 |
? | C02 French, Advance |
| 24. J Langreck vs N Yap |
| 0-1 | 39 |
2004 |
Mechanics Institute FIDE Tournament | C02 French, Advance |
| 25. S Markman vs J Langreck |
| 0-1 | 35 |
2004 |
? | A48 King's Indian |