Dynamo attacking midfielder played the entire match of the 2022 World Cup qualifiers' final that ended in a 2:0 win in Poland's favor.
In the 48th minute, Szymanski made an assist to Grzegorz Krychowiak, who earned a crucial penalty that was converted by Robert Lewandowski. Sebastian also took all the corner kicks of his team in the match.
The 22-year-old midfielder played his 13th game for the senior Polish national team.