| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. A Kozak vs M Zufic |
| 1-0 | 39 | 2016 | Pula Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 2. O Zierke vs A Kozak |
| 1-0 | 34 | 2016 | Pula Open | A46 Queen's Pawn Game |
| 3. A Kozak vs D Zagorsek |
| ½-½ | 43 | 2016 | Pula Open | B10 Caro-Kann |
| 4. E Ghersinich vs A Kozak |
| ½-½ | 66 | 2016 | Pula Open | A04 Reti Opening |
| 5. A Kozak vs A Ikica |
| 1-0 | 37 | 2016 | Pula Open | B06 Robatsch |
| 6. N Ciganovic vs A Kozak |
| ½-½ | 31 | 2016 | Pula Open | B18 Caro-Kann, Classical |
| 7. A Kozak vs V Hresc |
| 0-1 | 33 | 2016 | Pula Open | C50 Giuoco Piano |
| 8. M Siljan vs A Kozak |
| 0-1 | 56 | 2016 | Pula Open | B18 Caro-Kann, Classical |
| 9. A Kozak vs V Mencinger |
| 0-1 | 45 | 2017 | Pula Open | B81 Sicilian, Scheveningen, Keres Attack |
| 10. N Ciganovic vs A Kozak |
| 1-0 | 32 | 2017 | Pula Open | C41 Philidor Defense |
| 11. A Kozak vs D Doncevic |
| 1-0 | 31 | 2017 | Pula Open | B06 Robatsch |
| 12. G Szamoskozi vs A Kozak |
| 1-0 | 35 | 2017 | Pula Open | C41 Philidor Defense |
| 13. V Chernyak vs A Kozak |
| 1-0 | 70 | 2017 | European Blitz Championship | A30 English, Symmetrical |
| 14. N Miezis vs A Kozak |
| 1-0 | 43 | 2017 | European Blitz Championship | A34 English, Symmetrical |
| 15. A Kozak vs N Miezis |
| 0-1 | 38 | 2017 | European Blitz Championship | B42 Sicilian, Kan |
| 16. M Dubinski vs A Kozak |
| ½-½ | 74 | 2017 | European Blitz Championship | A62 Benoni, Fianchetto Variation |
| 17. A Kozak vs M Dubinski |
| 0-1 | 65 | 2017 | European Blitz Championship | C49 Four Knights |
| 18. A Kozak vs V Chernyak |
| 0-1 | 51 | 2017 | European Blitz Championship | B27 Sicilian |
| 19. A Kozak vs M Orndahl |
| 0-1 | 60 | 2017 | European Rapid Championship | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 20. A Kozak vs N Batsiashvili |
| ½-½ | 76 | 2017 | European Rapid Championship | C48 Four Knights |
| 21. Z Low vs A Kozak |
| 1-0 | 50 | 2019 | Prague Open | B45 Sicilian, Taimanov |
| 22. A Kozak vs J Pechac |
 | 1-0 | 35 | 2019 | Prague Open | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 23. A Kozak vs A Mulenko |
| ½-½ | 36 | 2019 | Prague Open | B04 Alekhine's Defense, Modern |
| 24. I Sokolov vs A Kozak |
| 0-1 | 24 | 2019 | Prague Open | A04 Reti Opening |
| 25. A Kozak vs I Naumkin |
| 1-0 | 38 | 2019 | Prague Open | E17 Queen's Indian |
Kibitzing
