Doing the math, one of the achievements requires, more or less, for players to win 16 battles in a row in one tournament. Even if that was broken up into increments, that still requires the RNG to work in your favor more often than not, which is a tall ask in and of itself (as of writing this I’ve participated in several tournament battles and at least 6 different times the stuns have not worked costing me quite a few loses), and if you lose even one fight, that now means you have to win even more battles, because the achievement only counts the point you add after your surpass your top score.
If for some reason Ludia, you refuse to lower the requirement to something much more reasonable, could it at least be spread out across multiple tournaments?
