Workington boss Darren Edmondson says his side had enough chances to win their 4-0 FA Trophy third qualifying round replay defeat by Chasetown.
The Reds' hopes of repeating last season's run to the quarter-finals were dashed as the Evo-Stik Premier side ran riot in the second-half.
"We had enough chances to win four or five games, we totally dominated," Edmondson told BBC Radio Cumbria.
"But when we had to defend second-half, we defended like schoolboys."
Edmondson added: "We had the better chances throughout the game, but we've got to man up a bit.
"Before they got the second goal we should have been 2-1 up, we had three great chances in the first couple of minutes of the second-half.
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"Collectively, as a group they're young but they've got to grow up, otherwise something will have to change.
"Whether that's someone who is in charge of them, or one or two of them will have to have a breather."
Workington host Eastwood Town at Borough Park in Blue Square Bet North on Saturday.
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