Two goals from Maxim Pestushko seemed to have won it for the defending champion .
Riga staged a dramatic comeback and Vojtech Polak settled it in the shoot - out to send Dynamo to a second successive defeat .
Two goals from Maxim Pestushko seemed to have won it for the defending champion , but Riga staged a dramatic comeback and Vojtech Polak settled it in the shoot - out to send Dynamo to a second successive defeat .