At the 2007 EuroBasket, Zisis was one of the two key Greek players, along with Theo Papaloukas, that led Greece's national team to the biggest comeback in the history of the EuroBasket, against the Slovenian national basketball team.
At the 2007 EuroBasket, Zisis and Theo Papaloukas played crucial roles for Greece's national team, which achieved the largest comeback ever seen in EuroBasket against Slovenia.