Reinaldo Rueda says Ecuador "suffered" after Antonio Valencia's red card against France as they exited the World Cup.
France confirmed their place at the top of Group E after playing out a 0-0 draw with Ecuador in the Maracana.
Pachuca vice-president admits it will be difficult to keep hold of Ecuador star Enner Valencia after receiving offers.
Enner Valencia and his Ecuador team-mates are now busy plotting how best to take down France after beating Honduras.
Ecuador international Antonio Valencia has signed a new contract with Manchester United.
Enner Valencia scored twice as Ecuador came from behind to beat Honduras 2-1 and keep World Cup Group E wide open.
Haris Seferovic scored a stoppage-time winner as Switzerland came from behind to beat Ecuador 2-1 in World Cup Group E.
Reinaldo Rueda felt that Ecuador let their emotions get the better of them after a late 2-1 defeat by Switzerland.
Switzerland will hope their good form in qualifying will continue when they face Ecuador in Brasilia on Sunday.
Antonio Valencia has apologised to his team-mates following his sending-off against England in Miami on Wednesday.
Ecuador look to make an impact in their first finals appearance on their home continent.
England were held to a 2-2 draw with Ecuador in their penultimate World Cup warm-up game at Miami's Sun Life Stadium.
Ecuador head coach Reinaldo Rueda stressed England have a number of quality players ahead of Wednesday's friendly.
Coach Reinaldo Rueda has named Segundo Castillo in Ecuador's World Cup squad despite sustaining a knee injury.
Mexico midfielder Luis Montes will miss the World Cup with a suspected broken leg suffered in the 3-1 win over Ecuador.
Manchester United winger Antonio Valencia is the star name in Ecuador's provisional 30-man squad for the World Cup.
Tim Cahill became Australia's all-time leading goalscorer only to then watch his lose 4-3 to Ecuador at The Den.
With just 100 days to kick-off, we get all the best World Cup build-up plus an Asmir Begovic Q&A.
FIFA have given the thumbs-up for Curitiba to host four matches scheduled for this summer's World Cup finals in Brazil.
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