Drazen Sermek vs Zdenko Kozul
Radenci op Radenci 1998.??.??
Sicilian Defense: Alapin Variation 1/2-1/2

Hrvoje Stevic vs Zdenko Kozul
Croatian Championship Vukovar CRO round 3.3 2005.11.09
Sicilian Defense: Alapin Variation 1/2-1/2

Zdenko Kozul vs Alexey Shirov
XXXIV Bosnia Sarajevo BIH round 2 2004.05.19
Semi-Slav Defense: Meran Variation 0-1

Andres Rodriguez Vila vs Zdenko Kozul
36th Olympiad Calvia ESP round 8 2004.10.23
Sicilian Defense: Classical Variation 1-0

Andrew Soltis vs Zdenko Kozul
GMA Baleares op Palma de Mallorca ESP round 4 1989.12.09
Sicilian Defense: Classical Variation, Anti-Sozin Variation 0-1

Sergei Mushegovic Movsesian vs Zdenko Kozul
EU-chT (Men) Batumi GEO round 6 1999.12.04
Sicilian Defense: Classical Variation 1-0

Sergei Zhigalko vs Zdenko Kozul
European Rapid Championship Tallinn EST round 7.19 2016.12.16
Sicilian Defense: Chekhover Variation 1-0

Lazaro Bruzon Batista vs Zdenko Kozul
World Cup Khanty-Mansiysk RUS round 1.3 2007.11.26
Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation 1/2-1/2

Alexey Dreev vs Zdenko Kozul
Bosnia Sarajevo BIH round 2 2001.05.14
King’s Indian Defense: Steiner Attack 1-0

Zdenko Kozul vs Evgeny Postny
Chess Olympiad Tromso NOR round 11.9 2014.08.14
English Opening: Symmetrical Variation 1-0