But falling behind early is a theme that has been all-too familiar in recent weeks for Evans who has called for a quick start at Rodney Parade against the reigning European champions.
"We have gone behind early in our last three games and we cannot afford to make life hard for ourselves against Leinster," Evans told the South Wales Argus.
"They are a strong side and we must not give them any opportunities because they punish the smallest mistakes, as they showed against the Scarlets last weekend.
"We need to show the spirit and belief that got us through against Zebre."
Evans, who has notched four RaboDirect PRO12 tries since making the switch from Scarlets in the summer, also called for a similar showing to that against Leinster earlier in the season.
Despite losing 45-25 Newport were attractive on the eye, and Evans added: "We scored three good tries out in Dublin and played some nice stuff.
"We need to show the same belief on Friday and I hope to get plenty of chances to get the ball in my hands.
"Last week wasn't a running game against Zebre - the conditions were terrible - but we want to spread the ball against Leinster and cause some damage."
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