| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. G Trammell vs D Ludwig |
 | 0-1 | 27 |
2004 |
US Open | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 2. J Becerra-Rivero vs D Ludwig |
| 1-0 | 43 |
2005 |
HB Global Chess Challenge | B90 Sicilian, Najdorf |
| 3. Ftacnik vs D Ludwig |
| 1-0 | 45 |
2006 |
34th World Open | D17 Queen's Gambit Declined Slav |
| 4. E Perelshteyn vs D Ludwig |
 | 1-0 | 19 |
2007 |
World Open | D45 Queen's Gambit Declined Semi-Slav |
| 5. D Ludwig vs Shabalov |
 | ½-½ | 90 |
2007 |
World Open | B33 Sicilian |
| 6. A Melekhina vs D Ludwig |
| ½-½ | 45 |
2007 |
World Open | B25 Sicilian, Closed |
| 7. D Ludwig vs R Akopian |
 | 0-1 | 22 |
2007 |
World Open | B06 Robatsch |
| 8. A Kunte vs D Ludwig |
| 1-0 | 39 |
2007 |
World Open | D15 Queen's Gambit Declined Slav |
| 9. D Ludwig vs D Howell |
| ½-½ | 43 |
2008 |
Open 18-wycc | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 10. B Finegold vs D Ludwig |
| ½-½ | 26 |
2008 |
US Championship | D12 Queen's Gambit Declined Slav |
| 11. D Ludwig vs Negi |
| 0-1 | 32 |
2008 |
World Open | B90 Sicilian, Najdorf |
| 12. B Posedaru vs D Ludwig |
| 0-1 | 46 |
2008 |
Open 18-wycc | D12 Queen's Gambit Declined Slav |
| 13. Akobian vs D Ludwig |
| 1-0 | 29 |
2008 |
US Championship | D45 Queen's Gambit Declined Semi-Slav |
| 14. D Ludwig vs D Ippolito |
| ½-½ | 12 |
2008 |
World Open | B45 Sicilian, Taimanov |
| 15. V Kulakov vs D Ludwig |
| 0-1 | 38 |
2008 |
Open 18-wycc | E14 Queen's Indian |
| 16. D Ludwig vs E Perelshteyn |
| ½-½ | 28 |
2008 |
US Championship | C65 Ruy Lopez, Berlin Defense |
| 17. D Ludwig vs P Bierkens |
| 1-0 | 31 |
2008 |
World Open | B32 Sicilian |
| 18. I Saric vs D Ludwig |
| 1-0 | 30 |
2008 |
Open 18-wycc | B62 Sicilian, Richter-Rauzer |
| 19. D Ludwig vs J Kraai |
| 1-0 | 45 |
2008 |
US Championship | C05 French, Tarrasch |
| 20. D Ludwig vs A Ramirez |
| 1-0 | 36 |
2008 |
World Open | B04 Alekhine's Defense, Modern |
| 21. D Ludwig vs Qun Ma |
| ½-½ | 38 |
2008 |
Open 18-wycc | B50 Sicilian |
| 22. D Ludwig vs S Galant |
| ½-½ | 42 |
2008 |
US Championship | C10 French |
| 23. D Ludwig vs J Plenca |
| ½-½ | 34 |
2008 |
Open 18-wycc | B90 Sicilian, Najdorf |
| 24. D Ludwig vs B Finegold |
| 1-0 | 32 |
2008 |
FKB ch-USA Qualifier | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 25. D E Vigorito vs D Ludwig |
| ½-½ | 50 |
2008 |
US Championship | D17 Queen's Gambit Declined Slav |