Spurs face Werder Bremen on Tuesday night in what is both their first match in the European Cup proper for almost half a century and manager Redknapp's first match ever at this level.
And - although many of his players have played in the continent's premier club competition for other teams - Redknapp insists it is their reputations on the line rather than his.
"I don't go through my life thinking I've got to prove anything to anybody," said the 63-year-old. "I proved what I could do by getting them into fourth place from where we were. It's the players who have got prove it. I can only put them out there and pick the team."
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He added: "You haven't got to be a rocket scientist to pick the team.
"It's whether they can go out there and cope under pressure.
"We've got enough international players - we're full of internationals."
Redknapp did acknowledge he was bound to learn something himself from his Champions League group stage debut, having already admitted he got his tactics wrong in the play-off round first leg at Young Boys.
But he pointed out even Sir Alex Ferguson finds himself at the mercy of his players, citing Manchester United's capitulation from 3-1 up to draw 3-3 at Everton on Saturday.
"You never stop learning, do you?" Redknapp said. "I'm sure Fergie learns all the time.
"You're sitting 3-1 up at Everton with two minutes to go. It doesn't matter if you're Alex Ferguson or who you are, there's nothing you can do."
Source: PA
Source: PA