Softball Mercy Rules

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ASA Mercy Rule

According to the Amateur Softball Association of America (ASA) rules, a lopsided game is called after five innings (4 1/2 innings if the home team is winning). There is one rule for regular season games and another one for the playoffs.

ASA Regular Season/Playoffs

Under ASA rules, a regular season game is called when a team is up 12 runs or more after five innings (4 1/2 innings if the home team is ahead). A playoff game is called when a team is up 15 runs or more after five innings.

ISF Mercy Rule

According to the International Softball Federation (ISF) rules, a game is called after three, four, or five innings depending on the score. The rules slightly differ between slow-pitch (SP) and fast-pitch (FP) games.

ISF FP/SP Mercy Rule

Under ISF rules, a fast-pitch game is called when a team is up 15 runs after three innings; 10 runs after four innings or seven runs after five innings. A slow-pitch game is called when a team is up 20 runs after four innings or 15 runs after five innings.

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