According to ASA Code, pool play results are not used and the next tie breaker would be runs scored.
Added: Question already answered in Softball Rules forum.
Article 310 GENERAL REGULATIONS OF CHAMPIONSHIP PLAY.
I. Official Order of Finish. The following procedures will be used in determining the official order of finish.
02. Incomplete Tournament. In the event a national qualifier, regional, territorial qualifier or national championship final tournament cannot be completed within the scheduled time frame the following procedures shall be used to break ties among teams in the same spot in the bracket.
a. Head to head competition.
b. The team that advanced the farthest in the winner?s bracket.
c. Won-loss records, except among undefeated teams.
d. If only two teams are tied for a position and have played each other, the winner of that game.
EXCEPTION: If there are only two teams remaining and each team has one loss, the championship must be played or the teams shall be declared co-champions. In the case of the ASA Eastern / Northern / Southern / Western National Championship Finals, Co-Champions will not be declared. If this occurs, the tiebreaker in Article 310 ( I ) ( 02 ) ( e, f and g ) of this Code followed in order will be used to determine the team advancing to the USA National Championship Series.
e. The teams shall be ranked according to the fewest runs allowed per game played.
f. If a tie still exists, the teams shall be ranked according to the most runs scored per game played.
g. If a tie still exits, by a coin toss.
NOTE: Only bracket play games should be used in determining the official order of finish for National Championship Finals, pool play games should not be used.