Greece substitute Dimitris Salpingidis scored a second-half equaliser to earn a 1-1 draw with Euro 2012 co-hosts Poland in a pulsating opening match on Friday in which the Greeks missed a penalty and both sides finished with 10 men.
Greece came back from a goal down to beat Nigeria 2-1 in the World Cup on Thursday after the African team had to play with 10 men for almost two thirds of the Group B game.
Germany's Thomas Mueller struck twice as the nervy world champions kicked off their Euro 2016 qualifying campaign with a 2-1 victory over Scotland on Sunday.
France's hopes of reaching the World Cup finals are hanging by a thread after a 2-0 first-leg defeat away to Ukraine in their playoff on Friday while Cristiano Ronaldo's late winner gave Portugal the edge against Sweden.
First-timers Bosnia joined holders Spain, England and Russia in grabbing Europe's remaining automatic spots for the 2014 World Cup finals on Tuesday as the last round of group matches ended in joy, despair and shattered nerves.