Kammala jumla mai zuwa: Gasar farko ta Gasol tare da manyan 'yan wasan kwallon kwando na Spain ita ce gasar EuroBasket ta 2001, bayan da ta lashe gasar FIBA ta Turai ta 1998 da ta FIBA ta Duniya ta 1999 tare da kungiyoyin matasa na Spain. Kasancewa, ba da son ransa ba, jagoran kungiyar, Gasol ya ƙare tare da lambar tagulla a gasar. Gasol tun daga wannan lokacin ya sami nasara sosai tare da ƙungiyar Mutanen Espanya, inda ya lashe Gasar FIBA ta Duniya ta 2006 da kuma wasannin EuroBasket na 2009 da 2011, wanda aka zaɓa a matsayin Mafi Kyawun Playeran wasa a farkon biyun; ya kuma lashe lambobin azurfa a EuroBasket na 2003 da 2007 da kuma gasar EuroBasket na 2009.
Wasannin Olympics na 2008 da 2012. Gasol shi ne kuma dan wasan da ya fi kowa zura kwallo a gasar wasannin Olympics ta shekara ta 2004, kuma shi ne mai dauke da tutar Spain a bikin bude gasar wasannin Olympics ta shekara ta 2012, inda ya maye gurbin Rafael Nadal da ya ji rauni. A cikin 2014, an sanya Gasol a cikin ƙungiyar All-tournament na gasar cin kofin duniya ta FIBA ta 2014. A EuroBasket na 2015, an zabi Gasol a matsayin MVP na gasar, bayan wasu wasanni masu ban mamaki, yana da maki 25.6 da 8.8 a kowane wasa (shi ne jagoran gasar don maki a kowane wasa, kuma na 4 a cikin sake dawowa a kowane wasa). A lokacin wasannin fitar da kai na gasar, Gasol ya yi wahayi ga kungiyar Spain wacce ta rasa taurari da yawa kamar Ricky Rubio, Juan Carlos Navarro, Álex Abrines, da dan uwansa Marc Gasol. Gasol ya ci maki 40 a wasan kusa da na karshe da Faransa, wanda ya kasance rabin maki na tawagarsa. Dan wasan mai shekaru 35 an kuma sanya shi a matsayin jagoran gasar don harbe-harben da aka katange a kowane wasa (2.3). A ranar 7 ga Satumba, 2017, a wasan da aka yi da Hungary, Gasol ya zama FIBA EuroBasket's all-time leading scorer, ya wuce Tony Parker tare da maki 1,033. Ya ƙare a maki 1,183 da aka zira a EuroBasket.