1.) No base running. Imaginary runners on base advance as hitter does.
2.) Teams shall carry at least 3 and no more than 5 players on their roster.
3.) Teams may field 3 players or less on defense, but may have up to 5
4.) All fielders must bat.
5.) Fielders can position as they wish in fair territory without obstructing the
6.) Games are 6 innings unless noted below.
7.) If game is tied after 6 innings during pool play it will end in a tie. If a game is tied after 6 innings during the playoffs, each additional inning will start with the bases loaded. No new inning can start after 40 minutes.
8.) Game is official after 4 innings, with a 10 run mercy rule after 4 innings.
9.) The rules of major league baseball shall apply to all situations not
covered by these rules.
Balls & Strikes – Making calls
10.) A walk is 6 balls. Baserunners only advance on a walk if forced over.
11.) Any combination of 2 fouls or strikes is an out.
12.) A swing and a miss is NOT an out, unless it’s strike 2.
13.) A pitch hitting the strike zone is a strike.
14.) A pitched ball that hits the batter is a ball.
15.) Batter makes all fair and foul calls.
16.) Line calls are made by the fielder closest to the play.
17.) Pitcher makes check swing calls.
18.) Only the official (baseball size) plastic wiffle ball with 8 elongated holes will be used.
19.) Balls may not be intentionally scuffed or sanded.
20.) No ball with a crack greater than 1/4" may be used.
21.) All balls are subject to approval by the tourney staff.
22.) Only the official yellow plastic Wiffle bats will be used.
23.) Handles may be taped, but the barrel must be unaltered.
24.) Any bat is subject to approval by the tourney staff.
25.) All players must play bare handed. Batters may only use batting glove when batting.
Pitch speeds – medium-fast
26.) Pitching speed limit is 55 mph. If pitch reads over 55mph and hits the strike board, it is a "no pitch"
27.) If the pitch reads over 55 mph and the batter swings, it is a strike
28.) If the pitch reads over 55 mph and it misses the strike board and the batter does not swing, it is a ball.
29.) Pitchers must pitch from the center of the field.
The field of play (all dimensions are approximate)
30.) Pitching mound is 42' from strike zone. Singles line is at 42'. Doubles line is at 65'. Home run fence is at
85' straight away, 90' to foul poles. 52' between foul poles.
31.) Strike zone is 20" x 30".
32.) Any hit ball not reaching the singles line is considered a strike.
33.) Ground ball outside of foul lines when reaching singles line.
34.) Fly ball landing in foul ground, touched in foul ground, or going wide of foul poles.
Any ball reaching the singles line in fair ground.
Ground ball not fielded cleanly in front of singles line. No bobbles at all allowed.
Fielder may take no more than TWO steps in front of the singles line to field a ground ball.
Fair fly ball touched but not caught short of singles line.
Doubles - Fair ball reaching the doubles line in the air, but not the fence.
Triples - Fair ball that touches the fence in the air.
Home Runs - Fair ball landing over the fence or hitting a foul pole above the fence.
Double plays - Only in effect with a runner on base. Fly ball caught and then immediately thrown to hit the strike
zone in the air. Lead runner is removed. Runners do not advance on missed attempt.
Protesting games - When a captain protests a game, the other team's captain must be notified at the time the
play under protest occurs and before the next pitch is made. Decisions of the tournament staff are final.
Unruly conduct – will not be tolerated. Penalties include but are not
limited to: Ejection from the game, forfeit of the game, or ejection from the tournament.