Barcelona striker Robert Lewandowski is confident Poland will be too strong for Wales.
The two nations will meet in their Euros playoff final next week.
Poland beat Estonia 5-1 to reach the final and Lewandowski said: "We have a match ahead of us in Wales, we know how to play there, last time we won 1-0 and we must be ready for a rather simple, aggressive football with lots of long balls so the second balls will be important.
"Wales, however, is also a very dangerous team, they also won.
"We are ready and I hope to win to celebrate our participation in the European Championship."