The Rank board without the once-a-day cap: solve one set of ten and the next is dealt straight away, with the stat changing as you go.
Good practice for the stats you are worst at. Most players read Attack well and Special Defense badly, and a long run makes that obvious fast.
Ten Pokémon and one base stat, exactly as in the daily round, but a fresh set is dealt as soon as you finish one. The stat varies per round instead of following the six-day rotation, so you are not stuck practising Speed for a week.
Unlimited rounds turn this from a daily curiosity into a way to actually learn the stat spreads, which is the only way ranking ever stops being guesswork.
The daily round encourages caution because the attempt count is a score. Here nothing is being recorded, so the useful approach is the opposite: commit to a full ordering from memory, submit it, and treat the marked positions as a test result rather than as a hint.
Pay attention to which stat keeps catching you out. Almost everyone has one — usually Special Defense or HP, the two that are hardest to intuit from a Pokémon's appearance — and knowing which one is yours tells you what to drill.
It varies per round rather than per day, so consecutive rounds can ask for different stats.
Not against a daily record. Rounds here are for practice.
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