1. The official OKWiffle field is a pie shaped field which has three lines at 60, 80, and 90 feet representing the infield line (1), doubles line (2). and outfield wall (3). A fair play line (4)is located 12 feet down the lines as well.
2. *Updated* The pitchers mound is 43 feet from home plate and 46 feet from the target strike zone.
3. A target strike zone is placed 3 (three) feet behind home plate and will measure 24" x 30" and 13" off the ground.
4. *Updated* Team rosters consist of 2-5 players. A pitcher and a fielder plays defense. All players on a roster must bat.
5. Teams must bat in the same batting order through the entire game. Batting out of order will result in a penalty of an out.
6. *Updated* Pitchers must finish the current at-bat and may not re-enter the game after appearing in the game.
7. There are no restrictions on pitch speeds.
8. *Updated* Official OKWiffle games are four innings in length.
9. Each inning consists of either three outs or five runs per team. In the final inning a team may score ten runs.
10. A seven run mercy rule is in effect after the second completed inning.
11. Four balls - Walk.
12. Three Strikes - Strikeout.
13. *Updated* In the first three pitches of an at-bat, any pitch hitting the target strike zone but not swung at - Strikeout.
14. *New* Any pitch thrown not hitting the backstop - Wild Pitch. All runners on base advance one base.
15. A ball must cross the fair play line to be fair.
16. Ball hit past the infield line - single.
17. Ball hit past the doubles line - double.
18. Ball hit off the outfield wall in the air - triple.
19. Ball hit over the outfield wall - home run.
20. *Updated* Ground balls fielded before the infield line and thrown into the backstop behind home plate = out for hitter. Ball cannot come to a complete stop before being fielded or touch the ground after being fielded. The hitter -- heading to first -- is the player recorded as out.
21. *Updated* Double Plays are completed by any infield ball being fielded and then thrown into the target strike zone with a forced runner on base. The lead forced runner and the runner on first is ruled out on a successful double play. Otherwise, any ball thrown into the backstop is a regular ground ball putout.
22. All Base runners are imaginary and move as follows: one base on a single or a fair ball putout, three bases on a double or triple. With two outs, runners move an extra base on a clean outfield single.
23. All extra innings start with the bases loaded.
24. Batters may not move into the path of pitches. Batters will receive a warning (and a no-pitch) first and then a strike out for all subsequent violations.
25. The batter's hands are part of the bat.
26. Pitchers get 10 warm-up pitches before a game and 7 before an inning. There are no balks but pitchers must pitch from the rubber.

1. The official baseball-sized Wiffle Ball with 8 oblong holes (patent no. 1149044) is the official ball of OKWiffle.
2. A regulation bat for OKWiffle must be rounded on all sides, while not exceeding thirty-eight (38) inches in length, two and three-quarters (2 3/4) inches in diameter. Bats not meeting this criteria will be deemed illegal for use.
3. Spikes/cleats are prohibited. Players should wear sneakers for proper footwear.
4. No baseball gloves are allowed.
5. Uniforms are encouraged but not required.
6. *New*Teams will play four games each regular season weekend unless otherwise specified by the league commissioner.
7. *New* Pitchers may pitch half of a teams innings on a game day. On a typical day, this is 8 innings for each pitcher. Extra innings do not count against the pitch innings count.
8. *New* The home team must keep the score for each game.
9. *Updated* Schedules for each week will be determined by a random draw at the beginning of the day.
10. *Updated* A coin toss determines the home/away status for each game.
11. *Updated* There are no refunds of league fees.
12. All players will conduct themselves in a sportsmanlike fashion. Taunting, berating or other type of disrespectful conduct towards opponents and/or league officials will not be tolerated. Any violations may result in an ejection from the game and/or tournament.
13. The league commissioner is in complete charge of the tournament.
14. *New* Standings are deteremined by the league's points system. Teams earn points as follows:
    
    
    • 1 point for every 5 base runners.
    • 1 point for every 10 strikeouts.
    • 3 points for every 7 runs you score.
    • 3 points for each game played.
    • 5 points for a tie and sudden death loss.
    • 5 points for a shutout in regulation (win or loss).
    • 7 points for a tie and sudden death win.
    • 10 points for each regulation win.

1. Fair and foul balls are the responsibility of the batter.
2. Singles, doubles, triples will be the responsibility of the fielder closest to the ball.
3. Check swings are the responsibility of the pitcher.
4. Foul balls off the hands are the responsibility of the batter.
5. Batters interference is the call of the pitcher.
6. The offense is responsible for determining if defensive plays are executed as the rules state.