| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Illescas-Cordoba vs Onischuk |
| 1-0 | 39 |
1997 |
Hoogovens | E03 Catalan, Open |
| 2. Piket vs Onischuk |
| ½-½ | 23 |
1997 |
Fontys | E04 Catalan, Open, 5.Nf3 |
| 3. P Schlosser vs Onischuk |
| ½-½ | 24 |
1998 |
Bundesliga -9 | E05 Catalan, Open, Classical line |
| 4. T Markowski vs Onischuk |
 | 0-1 | 26 |
1999 |
Rubinstein Mem | E06 Catalan, Closed, 5.Nf3 |
| 5. Dorfman vs Onischuk |
| 1-0 | 79 |
2000 |
Cap d'Agde-B | E05 Catalan, Open, Classical line |
| 6. Ftacnik vs Onischuk |
| ½-½ | 17 |
2003 |
European Clubs Cup (Men) | E05 Catalan, Open, Classical line |
| 7. Sakaev vs Onischuk |
| ½-½ | 29 |
2005 |
USA vs Russia Distance Match | E04 Catalan, Open, 5.Nf3 |
| 8. Gelfand vs Onischuk |
| ½-½ | 31 |
2005 |
World Team Championship | E05 Catalan, Open, Classical line |
| 9. Y Pelletier vs Onischuk |
 | ½-½ | 25 |
2007 |
Biel Chess Festival | E05 Catalan, Open, Classical line |
| 10. Shirov vs Onischuk |
| ½-½ | 42 |
2007 |
Aerosvit | E05 Catalan, Open, Classical line |
| 11. Ivanchuk vs Onischuk |
| ½-½ | 18 |
2007 |
Aerosvit | E05 Catalan, Open, Classical line |
| 12. Kaidanov vs Onischuk |
| ½-½ | 42 |
2007 |
US Championships | E06 Catalan, Closed, 5.Nf3 |
| 13. Bareev vs Onischuk |
| ½-½ | 51 |
2007 |
Russian Team Championship | E06 Catalan, Closed, 5.Nf3 |
| 14. Kiril Georgiev vs Onischuk |
 | 1-0 | 71 |
2007 |
European Club Cup | E05 Catalan, Open, Classical line |
| 15. Tkachiev vs Onischuk |
| ½-½ | 31 |
2007 |
8th Poikovsky Karpov Tournament | E06 Catalan, Closed, 5.Nf3 |
| 16. A Moiseenko vs Onischuk |
| ½-½ | 17 |
2008 |
Euro Club Cup | E06 Catalan, Closed, 5.Nf3 |
| 17. Kaidanov vs Onischuk |
| ½-½ | 48 |
2008 |
SPICE Cup | E06 Catalan, Closed, 5.Nf3 |
| 18. Carlsen vs Onischuk |
 | ½-½ | 29 |
2008 |
Aerosvit | E06 Catalan, Closed, 5.Nf3 |
| 19. A Volokitin vs Onischuk |
 | 1-0 | 31 |
2008 |
Aerosvit | E06 Catalan, Closed, 5.Nf3 |
| 20. D Fridman vs Onischuk |
| 1-0 | 62 |
2008 |
2008 Olympiad | E06 Catalan, Closed, 5.Nf3 |
| 21. S Maze vs Onischuk |
| ½-½ | 15 |
2009 |
Montreal International Chess Tournament | E06 Catalan, Closed, 5.Nf3 |