2. After the finalists are selected, there will be group competitions, usually the first and second place in the small group will advance. Then the follow-up competition will be held until the winner is selected in the final.
For example, in this year's tennis year-end finals, the top 7 players in the world were directly selected, and then 8 to 20 players were selected to enter the finals. After selecting eight finalists, they will compete in groups until the winner is decided in the final.