| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. K Bolsunowskij vs V Onyshchuk |
| 0-1 | 57 | 2001 | Ch Ukraine (juniors) (under 10) | D00 Queen's Pawn Game |
| 2. A Vovk vs V Onyshchuk |
| 1-0 | 40 | 2001 | UKR-ch U10 | B12 Caro-Kann Defense |
| 3. Kuzubov vs V Onyshchuk |
| 1-0 | 40 | 2001 | UKR-ch U12 | E80 King's Indian, Samisch Variation |
| 4. V Onyshchuk vs T Warakomski |
| 0-1 | 36 | 2001 | UKR-POL m U18 | C50 Giuoco Piano |
| 5. T Warakomski vs V Onyshchuk |
| ½-½ | 50 | 2001 | UKR-POL m U18 | B01 Scandinavian |
| 6. V Onyshchuk vs M D`Apa |
| 1-0 | 41 | 2001 | EYCC B10 | C50 Giuoco Piano |
| 7. P Lichmann vs V Onyshchuk |
| 1-0 | 33 | 2001 | EYCC B10 | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 8. V Onyshchuk vs O Azboukine |
 | 1-0 | 32 | 2001 | EYCC B10 | B12 Caro-Kann Defense |
| 9. S Guliyev vs V Onyshchuk |
| 0-1 | 27 | 2001 | EYCC B10 | B92 Sicilian, Najdorf, Opocensky Variation |
| 10. V Onyshchuk vs A Sismanis |
| 1-0 | 72 | 2001 | EYCC B10 | B33 Sicilian |
| 11. I Chirila vs V Onyshchuk |
| 0-1 | 48 | 2001 | EYCC B10 | B23 Sicilian, Closed |
| 12. V Onyshchuk vs M Matlakov |
| 1-0 | 28 | 2001 | EYCC B10 | B84 Sicilian, Scheveningen |
| 13. D Benidze vs V Onyshchuk |
| 0-1 | 29 | 2001 | EYCC B10 | B01 Scandinavian |
| 14. V Onyshchuk vs V Lilov |
| ½-½ | 72 | 2001 | EYCC B10 | B00 Uncommon King's Pawn Opening |
| 15. A Vovk vs V Onyshchuk |
| 0-1 | 43 | 2002 | UKR-ch U12 | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. V Onyshchuk vs M Kazakov |
| 0-1 | 31 | 2002 | UKR-chT | B44 Sicilian |
| 17. A Ermolaev vs V Onyshchuk |
| 1-0 | 34 | 2002 | Ukrainian Championship | B18 Caro-Kann, Classical |
| 18. V Onyshchuk vs K Nominas |
| 0-1 | 64 | 2002 | Ukrainian Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 19. A Khadzhynov vs V Onyshchuk |
| 0-1 | 36 | 2002 | Ukrainian Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 20. V Onyshchuk vs L Muhtarov |
| 1-0 | 51 | 2002 | Ukrainian Championship | B83 Sicilian |
| 21. V Grabinsky vs V Onyshchuk |
| ½-½ | 45 | 2002 | Ukrainian Championship | A10 English |
| 22. V Onyshchuk vs I Derjabin |
| 0-1 | 39 | 2002 | Ukrainian Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 23. S Domnin vs V Onyshchuk |
| 0-1 | 63 | 2002 | Ukrainian Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 24. V Onyshchuk vs A Kislinsky |
| ½-½ | 43 | 2002 | Ukrainian Championship | B01 Scandinavian |
| 25. V Iakymov vs V Onyshchuk |
| 1-0 | 67 | 2002 | Ukrainian Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
Kibitzing
