The 32-year-old right-back was brought into the Brazil side at the Barcelona man's expense and played 90 minutes in Friday's 2-1 win over Colombia in the World Cup quarter-final
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"The coach trusted my work, gave me this opportunity and I hope I paid it back but the priority here was to make it to the next round and I'm glad we did," Maicon told Fox Sports.
"It's kind of complicated but, when it comes to the national team, there's never a guaranteed spot.
"We'll wait for coach to make the decision – he will know which of us is the best option for the team on Tuesday."
Goals from Thiago Silva and David Luiz were enough to send the Selecao into the last four, although the captain will be banned from the encounter with Germany after picking up a booking while there are concerns over Neymar, who had to be stretchered off.