Because every match in the Masters Tournament was held individually.
Unlike other competitions, where multiple battles took place across different fields while there were still many contestants.
After all, once trainers reached a certain level, if the two sides really fought with heated tempers, the consequences would not be minor.
Not to mention the destructive power.
If things went wrong, no number of people would be able to stop them.
So.
During the early stages of the Masters Tournament, the pace of the competition was relatively slow.
With matches being fought one by one, some fast and some slow, it was absolutely impossible to finish them all in a single day.
Because there were actually quite a lot of participants in the Masters Tournament.
Elite Four like Xia Yan and Cynthia did not need to register. They only needed to apply in order to participate.
Lance, Steven, Lorelei, and the others were much the same. They already had considerable reputations, the backing of their respective factions, and, most importantly, Masters Tournament points, which showed that they had already reached the entry threshold for the Masters Tournament.
But apart from them.
There was actually another group of people.
They were the winners of major competitions organized by the various regions over the years.
For example, Sinnoh's Lily of the Valley Tournament, Kanto's Indigo League, Hoenn's Ever Grande Conference, and other such events.
Depending on the circumstances, the Pokémon League would also award Masters Tournament points to the Champions, especially those who had dominated a competition more than once.
Aside from the newly opened Alola Region, the other six major regions had held competitions for so many years that, at times, they even held them more than once a year to stimulate the economy.
Over all those years, there had been countless