Carshalton Athletic manager Matt Howard endured "one of those days" after the Robins crashed and burned on the Kent coast last Saturday.
The Robins left Ramsgate off the back of a 7-1 defeat, a late red card for defender Liam Gordon and the dismissal of Howard himself to the stand for the second half.
The hammering dropped the Robins to 10th in Ryman Division One South, and it also ended a four-game unbeaten run.
Howard said: "At times we were ok, other times we were diabolical and that cost us in the end.
"We had a few players missing, but we've been soundly beaten and we have to take it on the chin."
Carshalton had four regular defenders missing for the trip to Ramsgate, which meant 16-year old academy prospect Gordon and midfielder Lee Hall had to fill the vacant full-back positions.
"I though Liam did well in spells and his sending off [for conceding the second of Ramsgate's two penalties in the 78th minute] was a bit harsh," Howard added.
"Young midfielder Ryan Healy showed great desire when he came on too, so that's two small positives we can take away from this experience."
The only other bright spot for the travelling Carshalton fans was forward Moses Ashikodi's first goal for the club, a perfectly executed 12-yard volley, which made the scoreline 2-1 on 32 minutes.
"Their third goal just before the break was the killer for me," said Howard.
"If we get in only one behind at half-time then it could've perhaps led to a different story."
And the Carshalton manager was left further disappointed with his own dismissal following a conversation with the referee.
"We were speaking as we came back out and he said I swore at some point, which I hadn't. He told me not to return to the dug-out despite witnesses from both clubs backing me up," he said.
"I was also very disappointed with the awarding of their first penalty, even Ramsgate's manager said Tony Sinclair's tackle was one of the best in the game.
"Liam got his two bookings, but their left back committed five fouls in the first half and received nothing, plus their third goal came from an offside position.
"But these things go against you sometimes and we can't use them to dress up our own failings. We are going to need to pick ourselves up and focus on winning our next game."
Carshalton Athletic welcome Chatham Town to Colston Avenue on Saturday.
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