| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. C Airapetian vs O Sagalchik |
 | 0-1 | 25 |
1999 |
United States Womens Championship | B28 Sicilian, O'Kelly Variation |
| 2. S Airapetian vs O Sagalchik |
| 1-0 | 62 |
2000 |
ch-USA Women | B50 Sicilian |
| 3. E Epstein vs O Sagalchik |
| 0-1 | 40 |
2000 |
ch-USA Women | B01 Scandinavian |
| 4. O Sagalchik vs J Frenklakh |
| 1-0 | 46 |
2000 |
ch-USA Women | D35 Queen's Gambit Declined |
| 5. O Sagalchik vs A Hahn |
| ½-½ | 46 |
2000 |
ch-USA Women | A40 Queen's Pawn Game |
| 6. E Groberman vs O Sagalchik |
| 1-0 | 37 |
2000 |
ch-USA Women | B43 Sicilian, Kan, 5.Nc3 |
| 7. C Baginskaite vs O Sagalchik |
| 1-0 | 33 |
2000 |
ch-USA Women | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 8. S Burtman vs O Sagalchik |
| 0-1 | 34 |
2000 |
ch-USA Women | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 9. O Sagalchik vs Y Gorlin |
| 0-1 | 33 |
2000 |
ch-USA Women | A18 English, Mikenas-Carls |
| 10. O Sagalchik vs J Shahade |
| ½-½ | 45 |
2000 |
ch-USA Women | B76 Sicilian, Dragon, Yugoslav Attack |
| 11. I Golyak vs O Sagalchik |
| ½-½ | 15 |
2001 |
US Open | D00 Queen's Pawn Game |
| 12. O Sagalchik vs A Prasetyo |
| 0-1 | 53 |
2001 |
NCC | D44 Queen's Gambit Declined Semi-Slav |
| 13. B Finegold vs O Sagalchik |
| 1-0 | 53 |
2001 |
NCC | D08 Queen's Gambit Declined, Albin Counter Gambit |
| 14. O Sagalchik vs T Karatekin |
| 0-1 | 46 |
2001 |
US Open | A57 Benko Gambit |
| 15. D Schneider vs O Sagalchik |
| ½-½ | 45 |
2002 |
ch-USA | B90 Sicilian, Najdorf |
| 16. O Sagalchik vs S Airapetian |
| 1-0 | 70 |
2002 |
ch-USA | D31 Queen's Gambit Declined |
| 17. H Itkis vs O Sagalchik |
| 0-1 | 33 |
2002 |
ch-USA | A13 English |
| 18. E Groberman vs O Sagalchik |
| 1-0 | 54 |
2002 |
ch-USA | B28 Sicilian, O'Kelly Variation |
| 19. O Sagalchik vs A Pixton |
| 0-1 | 46 |
2002 |
ch-USA | A10 English |
| 20. O Sagalchik vs C Baginskaite |
| 0-1 | 44 |
2002 |
ch-USA | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 21. S Kriventsov vs O Sagalchik |
| 1-0 | 36 |
2002 |
ch-USA | B56 Sicilian |
| 22. O Sagalchik vs V Strugatsky |
| 0-1 | 47 |
2002 |
ch-USA | D47 Queen's Gambit Declined Semi-Slav |
| 23. A Levina vs O Sagalchik |
| 0-1 | 66 |
2002 |
ch-USA | C71 Ruy Lopez |
| 24. O Sagalchik vs J Hobaica |
| 0-1 | 33 |
2003 |
Torneo Continental Americano | D43 Queen's Gambit Declined Semi-Slav |
| 25. D Lemos vs O Sagalchik |
| 0-1 | 37 |
2003 |
Torneo Continental Americano | D02 Queen's Pawn Game |