Kammala wannan jumla: Toliopoulos ya taka leda a gasar FIBA ta Turai a karkashin 16 a shekarar 2012, da FIBA ta Turai a karkashin 18 a shekarar 2013, da kuma FIBA ta Turai a karkashin 18 a shekarar 2014 tare da 'yan wasan matasa na Girka. Ya kuma taka leda a
2015 FIBA Under-19 gasar cin kofin duniya, da kuma 2nd division 2016 FIBA Turai Under-20 Championship Division B, inda ya lashe lambar tagulla.