Rules

ABOUT THE GAME

The league have two seasons each year, Spring season (which held by April-May) and Fall season (September-October). The game held regularly on weekends (Saturday-Sunday) which total of 4 teams and 2 games will be held together each day, and continue with the same rotation next day.

This league consists of six team from different universities. Two teams play against each other and they need to win two games to achieve one point. The number of points will determine the ranking in Leaderboard. If the points are tied, the team with the higher winning percentage (勝率, shouritsu) will be ranked higher.

The usual time for the match to begin each day is 11:00 AM JST. But when there is an NPB games that being held on the same day with Big 6 games, the scheduled time will be held earlier by 10:00 AM JST.

Example of Leaderboard for Tokyo Big 6 (Source : Sportsbull)


WITHDRAW GAME

When the points or the game being tied, the game that being held by Saturday-Sunday will be held again on Monday or the following day (The general rules said it only limited until Wednesday, and if the games continues beyond that, it will be extended by the next week).

The withdraw rules following as below :

(When a day scheduled with 2 games) 
The total of inning will only be limited until 12 innings (9+3 extra innings) with no time limit. When the NPB games held at the same day, it will only limited until 9th inning which results as tied game.

(When a day scheduled with 1 game)
The total of inning will only be limited until 15 innings (9+6 extra innings) with no time limit. When the NPB games held at the same day and the game duration exceeds more than 4 hours 30 minutes, the game will have no extra inning which results as tied game.