The traditional Monaco Primo-Cup lasting until next Sunday begins today with tune-up races. —– The by far largest class are the J70s with 61 boats from 14 nations, including the USA. —– The L30, favored (?) by World Sailing as possible Olympic Offshore-Mixed-two-person Keelboat, will be promoted for the first time in a race, but with full teams. 8 teams from 7 nations, including Luka Rodion UKR, Olympia medalist and designer of the L30, as well as a team from Japan and South Korea are present. —– The composition of the fleets and the favorites of the other classes are clearly dominated by specific nations: Melges 20 (RUS), Longtze (SUI), Smeralda (MON) and H22 (ITA). —– All entry lists and the preview.