Hamann, aimbova kaputeni wechikwata chevakuru chenyika yeGerman, akaita mutambo wake wekutanga wechikwata chenyika musi wa22 Ndira 2003, mumutambo wakanangana neMacedonia. Akatamba mu2003, 2007
, 2009, uye 2011 EuroBaskets; uye pa 2006 uye 2010 FIBA World Cups.