Q. See question above. Can someone that does not eat gebrochts (matza or matza flour dipped or mixed with water on Pesach) dip matza in wine or another alcoholic beverage (Kosher Lepesach)?

A. Mishna Berura (462: 4) considers that any water that was added to the wine before the end of the fermentation, to become annulled in the wine (battel) and therefore an integral part and parcel of it.
Based on the above, Horav Shlomo Miller’s Shlit’a opinion is that this wine is alike mei peiros and does not cause flour to become chometz, Therefore, even those who do not consume gebrochts can dip their matza in it.
The same would apply to other fermented alcoholic liquors.

Rabbi A. Bartfeld as revised by Horav Shlomo Miller Shlit’a