Poland play a 2022 World Cup qualifier against San Marino on home turf in Warsaw on October 9.
Three days later the Poles will take on Albania in their next qualifying fixture in Tirana.
Manager Paulo Sousa last month released a list of 29 players called up for the two games.
Since then several players, including defenders Arkadiusz Reca and Maciej Rybus, have succumbed to injuries and will not be available for international duty, state news agency PAP reported.
Poland on September 8 drew 1-1 with England in their sixth 2022 World Cup qualifier in Warsaw.
After six rounds of fixtures, Poland are in third place in their qualifying Group I, behind England and Albania, with 11 points and a plus-11 goal differential.
The Polish team opened its 2022 World Cup qualifying campaign with a 3-3 away draw with Hungary in Budapest on March 25.
The Poles, captained by Robert Lewandowski, FIFA's world player of the year for 2020, then beat Andorra 3-0 in their second World Cup qualifier at home on March 28.
Poland in late March lost 1-2 to England in London in their third 2022 World Cup qualifier in London. They beat Albania 4-1 at the National Stadium in Warsaw in their fourth 2022 World Cup qualifier on September 2, and followed up with with a 7-1 away win over San Marino three days later.
The qualification stage for the 2022 World Cup runs until November 2021, while the tournament will be held in Qatar from November 21 to December 18, 2022.
Source: PAP