You used to be able to see the seat map on the results page of a booking search. Unfortunately they've now buried it, you only see the seat map when selecting seats after having picked flights and entered passenger details. https://www.flyertalk.com/forum/luft...ui-2023-a.html

You could use a free trial at expertflyer.com to look up the seat map or ask in https://www.flyertalk.com/forum/luft...ds-thread.html