Board Thread:Boruto Discussions/@comment-31377229-20180125162054/@comment-25607614-20180130000513

The page for the Byakugan also says it possesses the ability to analyze movements at rapid speeds, and allows the user to predict their opponent's move. (Citation 13)

But this is really far afield from the original question. The basic answer is that we don't really know what the Jogan does, and so any answer is purely speculation.