| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Y Kuzubov vs V Onischuk |
| 1-0 | 40 |
2001 |
UKR-ch U12 | E76 King's Indian, Four Pawns Attack |
| 2. E Andreev vs V Onischuk |
| 1-0 | 35 |
2005 |
Ukrainian Championship | B90 Sicilian, Najdorf |
| 3. V Grinev vs V Onischuk |
| ½-½ | 51 |
2005 |
Independence Cup A | E76 King's Indian, Four Pawns Attack |
| 4. V Onischuk vs Baklan |
| ½-½ | 77 |
2005 |
Ukrainian Championships | B58 Sicilian |
| 5. V Stopkin vs V Onischuk |
| 0-1 | 38 |
2005 |
3rd V Nabokov Mem | A05 Reti Opening |
| 6. Baklan vs V Onischuk |
| 1-0 | 32 |
2005 |
Ukrainian Championships | B54 Sicilian |
| 7. V Onischuk vs S Sjugirov |
| ½-½ | 89 |
2006 |
4th Young Stars of the World | B92 Sicilian, Najdorf, Opocensky Variation |
| 8. V Onischuk vs A Volodin |
| 0-1 | 68 |
2006 |
4th Young Stars of the World | B80 Sicilian, Scheveningen |
| 9. V Onischuk vs A Kulikov |
| 1-0 | 36 |
2006 |
4th Young Stars of the World | B00 Uncommon King's Pawn Opening |
| 10. R Hovhannisyan vs V Onischuk |
| 0-1 | 61 |
2006 |
4th Young Stars of the World | B90 Sicilian, Najdorf |
| 11. S Narayanan vs V Onischuk |
| 0-1 | 47 |
2006 |
4th Young Stars of the World | B22 Sicilian, Alapin |
| 12. V Onischuk vs D Lintchevski |
| 0-1 | 37 |
2006 |
4th Young Stars of the World | B33 Sicilian |
| 13. V Onischuk vs E Tairova |
| ½-½ | 74 |
2006 |
4th Young Stars of the World | C12 French, McCutcheon |
| 14. E Safarli vs V Onischuk |
| ½-½ | 27 |
2006 |
4th Young Stars of the World | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 15. I Nepomniachtchi vs V Onischuk |
| ½-½ | 43 |
2006 |
4th Young Stars of the World | B90 Sicilian, Najdorf |
| 16. I Popov vs V Onischuk |
| 1-0 | 57 |
2006 |
4th Young Stars of the World | A45 Queen's Pawn Game |
| 17. V Onischuk vs F Caruana |
 | 0-1 | 29 |
2006 |
4th Young Stars of the World | C18 French, Winawer |
| 18. V Onischuk vs N Mamedov |
| ½-½ | 38 |
2007 |
Femida Super | B58 Sicilian |
| 19. V Onischuk vs A Ipatov |
| ½-½ | 43 |
2007 |
Ukranian U20 Championships | C42 Petrov Defense |
| 20. V Onischuk vs A Kovchan |
| 0-1 | 49 |
2007 |
Femida Super | B46 Sicilian, Taimanov Variation |
| 21. V Onischuk vs Y Vovk |
| ½-½ | 36 |
2007 |
Ukranian U20 Championships | B23 Sicilian, Closed |
| 22. V Onischuk vs V Aveskulov |
| ½-½ | 60 |
2007 |
Femida Super | B90 Sicilian, Najdorf |
| 23. V Onischuk vs M Kravtsiv |
 | 1-0 | 27 |
2007 |
Ukranian U20 Championships | C84 Ruy Lopez, Closed |
| 24. V Onischuk vs Y Erturan |
| 1-0 | 50 |
2007 |
Femida Super | C60 Ruy Lopez |
| 25. N Zhornik vs V Onischuk |
| 0-1 | 58 |
2007 |
Ukranian U20 Championships | B06 Robatsch |