"We played against a great team and knew Dortmund were Finalists last season. I think we had a good performance, but conceded straight away and that made it an uphill struggle," the Macedonian told Sky Sport Italia.
"Now we have to look forward, keep working and hope it goes better in the next game. I don't know what we are missing, as we signed players with a lot of experience this summer. Maybe we need to be more determined and believe in ourselves more.
"Unfortunately, Borussia Dortmund can really hurt you on the counter-attack."
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