 Nyorai kupfuurira kweiyi ndima - Hamšík inhengo yenguva dzose yechikwata chenyika yeSlovakia. Akaita kutanga kwake musi wa7 Kukadzi 2007 mumutambo wehushamwari nePoland, iyo yakapera mu 2 × 2 dhizaini. Akatamba mutambo wake wechipiri neGermany muEFAFA Euro 2008 kukodzera, iyo Slovakia yakarasikirwa 2-1. Akava nhengo inokosha yekurwisa kwechikwata chenyika, kazhinji achitamba semubati wepakati kurwisa kuruboshwe kana pakati. Hamšík akatungamira nyika yake mukutanga kweFIFA World Cup muSouth Africa muna 2010, uko nyika yakazviita kusvika padanho rekutanga rekurova mushure mekukunda makwikwi epasi rose eItaly 3 2. Slovakia yakakurirwa nevakapedzisaNetherlands iri muchikamu chokutanga chokubuditswa. 