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World Series Playing Rules

Please note that the rules may be updated for 2018.

All players must be registered with ASANA on the official ASANA Tournament Roster. If it is discovered at any time that a player has entered a game without registering, that player will be deemed and illegal player and all ASA rules around illegal players will then be enforced.

On championship day, all rosters will be checked and all players will be required to produce current photo identification.

Scheduled game time is forfeit time. Late arriving players are not allowed to be entered on said line up except in the situation of the ASA shorthanded rule.

Forfeits: Forfeits in the ASANA World series will not be allowed unless there are extenuating circumstances which are approved by the ASANA Board. ASA rules will be followed otherwise. Both written and verbal notification of forfeit situations must occur immediately by the team designee to the Tournament Director and/or a member of the ASANA board so an assessment of the situation and resolution can occur immediately. The Tournament Director and/or a member of the ASANA board will notify the team within a reasonable period of time of their decision either verbally or in writing. If the forfeit is approved, the forfeiting team will be given a loss with a score of 0-7, the winning team will be awarded the win with a score of 7-0, as dictated by ASA. If the forfeit is denied the team will have to immediately notify the Tournament Director or a member of the ASANA board of their decision to play or be removed from the tournament at that time. The seeding or bracket placement for all teams affected will be updated accordingly. Approved forfeits will simply be recorded as a win/loss accordingly and standings will reflect these games as decided. All decisions on forfeits are final. No appeals will be allowed.

All games will use coin toss to determine Home team.  Home team is the Official Scorekeeper.

Start of game time shall be determined by scheduled game time or as announced by Plate Umpire at the start of the game.

ASA: Teams must start with 9 players with the 10th vacant position listed last. The 10th vacant position will be recorded as an out each time it comes up in the order. Teams may start with 10 players without penalty. Teams may roster up to 12 players on the batting order with only 10 playing defense at any one time. All other eligible players shall be listed as substitutes and must be present upon submission of official lineups prior to the start of the game.

Courtesy Runner Rule: ASA Rule 8 Section 9B2: Any eligible player on the official line-up including available substitutes may be used as a courtesy runner. A courtesy runner may be used once per inning. (All Adult Slow Pitch except Senior.)

Game Times/Innings/Ties: Pool games are 55 minutes (no new after 50) or a full 7 innings, whichever occurs first and can end in a tie score. Elimination games up to but not including the Championship and IF games are 60 minutes (no new after 55) and a winner must be declared (no ties). If at the end of time or 7 innings the game is tied the International Tie Breaker rule will be used. Championship and IF games are a full 7 innings and a winner must be declared (no ties). If at the end of 7 innings the game is tied the International Tie Breaker rule will be used. If for any reason the Championship and or IF games cannot run a full seven innings (due to park hour limitations, weather, etc.) the Tournament Director and available ASANA Executive Board members along with the UIC will determine format changes and communicate them as quickly as possible to all teams involved.

Count: All pool and elimination games including Championship and IF games will be played with a 1 ball and 1 strike count with nothing to waste meaning if the batter has two strikes and fouls off another pitch the batter is out.

A run-ahead rule and/or time limit may be used in the ASANA World Series upon recommendation of the playing rules committee and approval of the Council.

ASA: RUN RULE application to all games including Semis, Finals and IF games.

  • 20 runs ahead after 3 innings
  • 15 runs ahead after 4 innings
  • 10 runs ahead after 5 innings

ASANA does not allow stealing in any division.

All games must be completed except as indicated below: (W 12)

  • In the event of rain or any other cause which interrupts a game, the game must be resumed at the exact point where it was stopped.
  • The format of the tournament will be revised as needed if weather, facility issues and the like become an issue. The ASANA Board and the Umpire in Charge will determine any format changes which could result in shorter games, reduced pitch counts and the like. These format changes will take place at the top of the following inning.
  • The Tournament Director and/or ASANA Board will communicate this to all of teams within an reasonable time frame by a method decided in advance and communicated to all at the Manager's meeting.
  • In the event the tournament cannot be completed as scheduled, the ASANA Board shall ascertain the procedure to determine the final standings.

Uniforms Player Jerseys

  • Players competing in the ASANA World Series championships must wear uniform shirts (tees, tanks, and/or jerseys) of the same color. (S 97p)
  • Each shirt must have a number on the back of at least 6 inches.
  • No ragged cut off sleeves will be allowed.
  • No taped or handwritten numbers will be allowed. They must be professionally printed. (W 13)
  • Player Pants, Shorts and Cleats:  
    • All playersÃ?¢?? pants must be of the same color and all playersÃ?¢?? shorts must be of the same color, but the pants need not be of the same color as the shorts color. (W 93p) 95% of each playerÃ?¢??s pants or shorts must be of matching color and similar athletic style (No cargo shorts/pants are allowed). (W 02p) The color of any playerÃ?¢??s sliding shorts is irrelevant. (W 93p).
    • No metal cleats shall be worn by any player, coach or umpire. (W 86p) (W 97p) (W 99p)

Coaching Attire: Coaches must be neatly attired, dressed uniformly and in accordance with the color code of the team.

Headgear and Jewelry: All headgear is optional and may or may not be worn at the individual player's discretion. For purposes of this section, headgear may be headbands, caps, visors, or any combination thereof, without regard to color. (WS 93p) Bandanas, handkerchiefs or do-rags are allowed to be worn during play but, may not be tied around the neck area.  Sunglasses may be worn atop of the head or ball cap or visor as a known risk to the player. Wearing hats backwards is allowed. Jewelry is allowed at the discretion of the umpire. If it is deemed unsafe, taping will be allowed or removal will be required. (W 13)

Bat List - Bat Check: Prior to first tournament game all team bats must be inspected and approved for use by UIC or designated umpire in accordance with ASA standards / specifications/compression testing(if available). (If approval sticker is removed, another must be obtained before play). 

ASA: Ejected Player must vacate field / grounds and have no contact with team participants or umpires during the game. Any flagrant misconduct by the ejected player shall be subject to ASANA Tournament Director and Protest committee determination of playing status. 

OVER-THE-FENCE HOMERUN: Batter and all runners are not required to touch all bases; all are credited with a run. EXCEPTION: On any over-the-fence home run in the Womens D and E divisions, the batter is called out and the inning is over regardless of the number of outs prior to the over-the-fence home run.

The new ASA Rule 6: Pitching Regulation (Slow Pitch), Section 3 Legal Delivery Paragraph H WILL NOT BE ADOPTED by ASANA. ASANA will remain using the rule that the ball must be delivered with perceptible arc and reach a height of at least six (6) feet from the ground while not to exceed a maximum height of twelve (12) from the ground.

Official tournament ball for all divisions will be the 11 inch yellow optic (Worth).

Official ASANA World Series General Rules & Responsibilities:

Official scores for seeding will be drawn only from the official game scores sheets. Managers are responsible for verifying game score at the completion of each game and signing the score card confirming this verification.

Team managers will be held accountable for the conduct of their players and fans at all times during an ASANA conducted tournament, both on and off the field.

In case of disputed play or decision, team managers or captains may consult game officials. The other players, coaches, or sponsor may not participate in the discussion.

At no time will any players, coaches, or managers be allowed to smoke or drink alcohol on the field or in the dugout.

At any time if an umpire determines that a player or coach is intoxicated or incapacitated in any manner that endangers player safety the umpire will remove the player from the game and possibly the park for the remainder of the tournament.

Managers are to report any unsportsmanlike or derogatory acts by players or spectators to the tournament director.

Any player discovered using an illegal bat that is doctored or loaded by additional weight shall be disqualified from further tournament competition. A team that is discovered to have within its possession or control an illegal bat may be disqualified from further tournament competition.

If an unapproved (non ASANA stickered) bat is discovered in the batters box (no pitch required):

  • The batter and documented team Manager are ejected from that game. They must leave the playing field and dugout but not the complex based on the ejection alone.
  • The current half inning is immediately over no matter how many outs are recorded.
  • The entire team will receive a warning and the if the team has a second occurrence of an unapproved bat entering the batters box, the team will be removed from the remainder of the tournament.
  • A $100 fine will be imposed and required to be paid prior to the start of the teams next scheduled game. If the team refuses to pay the fine they will forfeit all future games at a losing score of 7-0.


During ASANA World Series championship play, any time a player, coach or manager strikes another player, coach, or manager, that offending player, coach or manager, shall be ejected from the game and shall be removed from the park for the remainder of the tournament and banned from all remaining events.

Each team participating in the ASANA World Series must be represented by its team manager or her/his representative at the pre-tournament meeting. Failure to attend this meeting will result in a fine, payable before taking the field. (W 02p)


Senior Division rules exceptions to those listed above:

Courtesy runner for Senior Division ONLY: The Senior division is allowed two courtesy runners per inning. Current ASA rules for runner assignment are to be used.

Home Plate/Scoring: Senior Division play will incorporate a chalked line at home plate that runs from the plate towards the fence/backstop. This line is where the runner must cross in order to score. All plays at home are a force play and any runner that steps on home is out. This is not an appeal play; they will be called out by the umpire. -


Board Approved Rules for Inter-Division play between D and E teams in round robin ONLY:

All Games are a coin toss to determine Home/Visitor.  E teams will be spotted 3 runs at the start of the game.

D teams will be limited to an 8 run cap per inning. If D team is the visiting team and are losing going into the final inning, the D team will be allowed to catch up and then go ahead by 8 runs total. Once the D team, as a visitor, goes up by 8 runs, the half inning will end.

The games for D vs E teams will NOT count in D seeding. If a D team forfeits their one game vs an E team, that D team will automatically be moved to the last seed of the D bracket no matter their record or run differential.

The games for E vs D WILL count in E seeding.


Board Approved Rules for Inter-Division play between B and C teams in round robin:

All games are a coin toss to determine Home / Visitor.

C teams will be spotted 3 runs at the start of the game. 

B teams will be limited to an 8 run cap per inning. If B team is the visiting team and are losing going into the final inning, the B team will be allowed to catch up and then go ahead by 8 runs total. Once the B team, as a visitor, goes up by 8 runs, the half inning will end.

The games for B vs C teams will NOT count in C seeding. If a C team forfeits their one game vs a B team, that C team will automatically be moved to the last seed of the C bracket no matter their record or run differential.

The games for B vs C WILL count in B seeding.

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