"All credit to Sweden, we maybe took our foot off the gas and it's not like us," Walcott said.
"They just showed how dominant they have been all through this tournament, but it showed great character from all the lads coming back from that after going down to 10 men again.
"And we finally won a penalty shoot-out. People are quite surprised, but we've been practising and all the lads were confident.
"You've just got to get used to your favourite penalty and that's what we've been doing and it's paid off. The players can all be proud."