The Danish side conceded a first-half penalty with which Christian Noboa handed Rubin Kazan a 1-0 win.
Solbakken told Uefa.com: “We conceded a goal at the worst possible time; it was unnecessary and a sign of inexperience. Defensively, we were almost perfect.
“Unfortunately, we did not really get either Jesper Grønkjær or Dame N’Doye going in attack before half-time. However, they both improved considerably in the second half, and I suppose they were our most dangerous players.”
