The visitors were the better side after the break and after Kohr had a goal chalked off for offside, Silva gave them a deserved lead in the 61st minute with a thumping back-post header from Filip Kostic's pinpoint cross.
Bayern Munich routed third-division Paderborn 6-0 earlier Tuesday to earn a spot in the semifinals.
Bayern Munich secured a 4-2 win over Werder Bremen while Schalke were held to a 1-1 draw by Hannover in…
Werder Bremen reaped their first victory of the German football season as Max Kruse provided a hat-trick to beat Hannover…
The match, which was played on Saturday in Zillertal, Austria, was abandoned.
Both sides agreed to keep silent over further contract details, such as contract duration.
With the result, Werder Bremen jumped to eighth place whereas Hamburg slumped to 14th.
