■Prime Round match schedule and competition format

- Match Schedule
Quarter finals     1st Leg: Wednesday, September 3 /2nd Leg: Sunday, September 7
Semi-finals    1st Leg: Wednesday, October 8    / 2nd Leg: Sunday, October 12 
Final:         Saturday, November 1

- Competition Format
Total of eight teams comprising four winning teams from the Play-off Round, three teams participated in the AFC Champions League Elite 2024/25 (Vissel Kobe, Kawasaki Frontale and Yokohama F・Marinos) and Urawa Reds participated in FIFA Club World Cup 2025 will play the Prime Round in a home and away tournament. * Single match for the final.

- Quarter finals, Semi-finals (home and away) 
In case a 90-minute match (two halves of 45 minutes each) is played and no winner is decided, the match ends in a tie, the winner in each round is the team with the highest number of wins for two matches.
If the number of wins is the same, the ranking is determined based on the following, in order of priority. 

①Goal difference for two matches
②30-minute extra time (two halves of 15 minutes each) at the end of the 2nd leg
③Penalty shoot-out(Five players from each team. If the winner is not decided, the sixth and subsequent players will take turns to kick until the winner is decided).

- Final (Single match) 
In case a 90-minute match (two halves of 45 minutes each) is played and no winner is decided, an extra 30 minutes (two halves of 15 minutes each) is played. If the winner is still not decided, the winner is decided by a penalty shoot-out. (Five players from each team. If the winner is not decided, the sixth and subsequent players will take turns to kick until the winner is decided).