Robert Lewandowski scored twice as Poland warmed up for the World Cup with a 4-0 drubbing of Lithuania on Tuesday.
Their World Cup group opponents Japan meanwhile secured a first win under coach Akira Nishino in their final World Cup tune-up game by defeating Paraguay 4-2.
Bayern Munich striker Lewandowski struck Poland’s opening two goals in Warsaw, tapping in on 19 minutes and netting with a free-kick in the 33rd before goals in the 71st from Dawid Kownacki and Jakub Blaszczykowski from the penalty spot in the 82nd.
Poland are up against Senegal in Moscow next Tuesday in their opening Group H game at the World Cup, before matches against Colombia and Japan.
The Japanese leave for the World Cup with a victory in Innsbruck for new coach Nishino who had lost previous friendlies to Ghana and Switzerland after replacing Vahid Halilhodzic in April.
A double from Takashi Inui turned the game in Japan’s favour after Oscar Romero opened the scoring and an own goal from Federico Santander extended their lead. Shinji Kagawa then made the match safe after Richard Oritz pulled one back.
Japan open their World Cup campaign June 19 against Colombia in Saransk.