Fulham boss Roy Hodgson refused to blame a midweek Europa League trip to Russia for his side's lethargic display in Sunday's 2-0 defeat at Aston Villa.
The Cottagers overcame Amkar Perm to book their place in the group stages of the European competition on Thursday, but were decidedly second best at Villa Park.
"We've got to learn to deal with it," said Hodgson when asked if his players were tired following the lengthy trip.
"We have to find more energy, work harder, get together and play better, make certain we find the necessary running power to at least match our opponents, if not better them.
"I don't think it was a very good performance from our point of view, particularly the first goal which we conceded so needlessly.
"We were up against a very strong Villa team and were unable to trouble them enough in the first half.
"In the second half we were slightly better but then conceded the second goal.
"When that happens, you know it's going to be a long road back."