[3] During his professional career, he was not a member of the senior Croatia men's national water polo team.
Tucak started his head coaching career at his hometown club VK Šibenik, managing them to reach the LEN Euro Cup final game in the 2006–07 season.
[3] In 2005, Tucak started to work as coach of the junior men's Croatia national team along Veselin Đuho, winning the bronze medal at the 2008 European Championship in Belgrade, and the gold medal at the 2009 World Championship in Šibenik.
From 2010 until 2011, Tucak worked as assistant to the head coach of the senior Croatia men's team, Ratko Rudić, while in September 2012, he succeeded him.
[7] Tucak, with his wife Marijana, had a daughter Tena who died tragically in June 2005, at the age of 3.