Robert Lewandowski says he has endured "many sleepless nights" after Poland's disappointing World Cup.
2018 ScheduleAll times ET
A six-year-old Poland fan has landed tickets to the World Cup final after FIFA were moved by a video of him crying after his team's elimination.
Poland coach Adam Nawalka said his team needed to beat Japan to prove they were not quitters and bring some joy to their country's football fans.
Japan lost to Poland but qualified for the World Cup round of 16 by virtue of a better disciplinary record than Senegal.
England and Belgium face off in Group G for top spot, with the other two teams already out.
A revived Japan go into Thursday's decisive Group H match against an already-eliminated Poland knowing a draw would be sufficient to advance.
Robert Lewandowski said after Poland were eliminated from the World Cup with a 3-0 defeat to Colombia that his side lacked the quality needed.
Starting a World Cup game together for the first time, Colombia's main men were superb. By contrast, Poland's talisman struggled again.
Colombia kept their World Cup hopes alive while eliminating Poland in a 3-0 victory in Group H on Sunday.
FIFA said late on Saturday it had fined the Polish Football Association 10,000 Swiss francs ($10,124) for what it said was an offensive banner.
England thrashed Panama to cruise through to the knockout rounds. Now it's over to Group H and Senegal vs. Japan.
Colombia head into their World Cup clash against Poland in Group H on Sunday under pressure to get a result.
A police spokesman told Reuters on Wednesday that one person was hurt in the incident, in the port city of Antwerp, but no arrests were made.
Robert Lewandowski offered a scathing appraisal of Poland's performance in their opening game of the 2018 World Cup, a 2-1 defeat to Senegal.
Senegal coach Aliou Cisse refused to accept their 2-1 win over Poland on Tuesday was all down to errors by their opponents.