Rubuta ci gaba don wannan sakin layi - Sun bi wannan tare da kammala na 4 a Turai, a EuroBasket 2007, na 5 a duniya, a gasar Olympics ta 2008.
, da kuma na 3rd wuri gama a Turai, a 2009 EuroBasket. Kungiyoyin da suka lashe lambar yabo ta 2005 da 2006 sun horar da Giannakis, kuma sun nuna 'yan wasa kamar: Dimitris Diamantidis, Theo Papaloukas, Vassilis Spanoulis, Nikos Zisis, Lazaros Papadopoulos, Michalis Kakiouzis, Dimos Dikoudis, Antonis Fotsis, Kostas Tsartsaris, Nikos Chatzivrettas, Ioannis Bourousis, Sofoklis Schortsanitis, da Panagiotis Vasilopoulos. Kungiyar da ta lashe lambar yabo ta 2009 ta horar da Lithuanian Jonas Kazlauskas, kuma ta dawo da Spanoulis, Zisis, Fotsis, Bourousis, da Schortsanitis, daga kungiyoyin da suka lashe lambar yabo a baya. Spanoulis, Zisis, da Fotsis ne kawai, sun kasance wani ɓangare na ƙungiyoyi uku da suka lashe lambar yabo.