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.
In the 2007 EuroBasket, Zisis and Theo Papaloukas were among the key Greek players who led their nation to a remarkable victory over Slovenia, marking the biggest comeback in EuroBasket history.