| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Kosteniuk vs Stellwagen |
 | 1-0 | 31 |
2000 |
Corus | C00 French Defense |
| 2. Kosteniuk vs Kiriakov |
| 0-1 | 45 |
2000 |
Monarch Assurance | C03 French, Tarrasch |
| 3. Kosteniuk vs A Romero Holmes |
| 0-1 | 65 |
2000 |
Corus | C00 French Defense |
| 4. Kosteniuk vs C P Gouw |
| 1-0 | 18 |
2000 |
Corus | C00 French Defense |
| 5. Kosteniuk vs R Mamedov |
| 1-0 | 43 |
2001 |
2nd ch-EUR Women | C03 French, Tarrasch |
| 6. Kosteniuk vs Hoang Thang Trang |
| ½-½ | 43 |
2001 |
FIDE WCh Women KO | C05 French, Tarrasch |
| 7. Kosteniuk vs Psakhis |
| 0-1 | 38 |
2002 |
Aeroflot Open | C08 French, Tarrasch, Open, 4.ed ed |
| 8. Kosteniuk vs L Mkrtchian |
| ½-½ | 25 |
2002 |
Olympiad, women | C09 French, Tarrasch, Open Variation, Main line |
| 9. Kosteniuk vs D A Zimbeck |
| 1-0 | 32 |
2003 |
World Open: Open Section | C00 French Defense |
| 10. Kosteniuk vs Y Xu |
| 0-1 | 34 |
2005 |
North Urals Cup | C12 French, McCutcheon |
| 11. Kosteniuk vs A Iljushin |
| ½-½ | 57 |
2005 |
58th Russian Championship Semi-Finals | C11 French |
| 12. Kosteniuk vs Stellwagen |
| 0-1 | 46 |
2005 |
Corus Tournament: Group B | C11 French |
| 13. Kosteniuk vs A Pulito |
| 0-1 | 26 |
2005 |
Simul Alexandra Kosteniuk | C00 French Defense |
| 14. Kosteniuk vs Hoang Thanh Trang |
| ½-½ | 23 |
2006 |
37th Chess Olympiad: Women | C11 French |
| 15. Kosteniuk vs I Rajlich |
| 1-0 | 73 |
2006 |
37th Chess Olympiad: Women | C15 French, Winawer |
| 16. Kosteniuk vs N Khoudgarian |
| 1-0 | 53 |
2006 |
FIDE Women's World Championship | C10 French |
| 17. Kosteniuk vs Zhaoqin Peng |
| 1-0 | 58 |
2007 |
European Team Chess Championships (Women) | C11 French |
| 18. Kosteniuk vs Chiburdanidze |
| ½-½ | 36 |
2007 |
European Team Chess Championships (Women) | C02 French, Advance |
| 19. Kosteniuk vs P Cramling |
| 1-0 | 36 |
2008 |
Women's World Championship | C10 French |
| 20. Kosteniuk vs Alej Guerrero Rodriguez |
| 1-0 | 19 |
2008 |
Mindsports | C13 French |
| 21. Kosteniuk vs I Nepomniachtchi |
| 0-1 | 52 |
2008 |
Ordix Open | C03 French, Tarrasch |
| 22. Kosteniuk vs Yifan Hou |
| 1-0 | 42 |
2008 |
Mindsports | C15 French, Winawer |
| 23. Kosteniuk vs Huang Qian |
| 0-1 | 67 |
2008 |
Mindsports | C11 French |
| 24. Kosteniuk vs Yifan Hou |
| ½-½ | 57 |
2008 |
Women's World Championship | C07 French, Tarrasch |
| 25. Kosteniuk vs Hoang Thanh Trang |
| ½-½ | 55 |
2008 |
2008 Women's Olympiad | C15 French, Winawer |
