Has there ever been a 11–0 in the Bundesliga?

Yes, 1 time.

The only time: January 7, 1967, Borussia Mönchengladbach beat FC Schalke 04 (Borussia Mönchengladbach 11–0 FC Schalke 04).

Nearby scores

1. 12–0 1 time
2. 12–1 Never
3. 11–0 1 time
4. 11–1 2 times
5. 10–0 2 times
6. 10–1 Never