Damien Johnson saluted his players after the Development Squad advanced into the Under-21 Premier League Cup quarter-final.
Connor Thomson scored on the stroke of half-time to dump Leicester City out of the competition at Brockhall.
Rovers were full value for their victory against a Foxes side that featured several first team stars.
Speaking after the game, Johnson felt his players really stepped up to the mark.
"It was a terrific and a really good game of football that was played at a proper tempo," said the U21s coach.
"Leicester came with a strong side and put us under pressure, but our lads were terrific and I was really pleased with them.
"They stood up to the physical battle and in the end, we could have won by more.
"Sometimes, Under-21s games can lack a bit of tempo, but I don't think that game did.
"Leicester played like a league team, they made us defend and our centre-backs had to head the ball and defend properly.
"I thought our front two caused them problems and all round I'm delighted for their development , it was a great game for them and I'm made up that we got a clean sheet."
The Under-21s are back in action this Saturday when they take on Stoke City at the Clayton Wood Training Ground.