## VII. THE COMPETITION 

Line Umpire had been unsighted. In that case, the point would stand as played. 

## Intimidating Line Umpire 

Case:  A serve is hit near the sideline and the receiver, hearing no call, immediately turns around and screams at the Line Umpire. The Line Umpire, who had signaled good, then calls and signals out. 

Decision:  The Chair Umpire rules the serve good based on the Line Umpire’s original call. The Supervisor, if called, upholds the Chair Umpire’s decision based on an official not changing his call based on a player appeal. 

Note : The Chair Umpire may have to ask for the Line Umpire’s original call if he is uncertain or disregard the Line Umpire’s call and make the call himself. 

## Service Order 

Case: In a doubles match, Team A serves out of order. After two points have been played, the Chair Umpire realizes the mistake. 

Decision: The Chair Umpire should correct the mistake immediate - ly. 

## Receiving Order 

Case:  In a doubles match, the players on the team switched their receiving positions during the set. When this is realized, what action should the Chair Umpire take? 

Decision:  The original receiving positions of each player on that team must be taken after the completion of the game in progress. If error occurred during a tie break, then the receiving order shall remain as altered until the completion of the tie break game. 

## 7.23 Line Umpire Requirement, Positions and Calls 

## A.Number for Matches 

1) Full Complement of Line Umpires.  If a Chair Umpire has a full complement of Line Umpires, then the assignments shall be as follows: 

a) Base, side, center service and service Line Umpires call all “Outs” and “Faults” for their respective lines. 

b) Net judge calls all “Nets” and “Throughs” (if designated by the Chair Umpire), measures the net height at the beginning of each set and administers the ball changes. A net device may be authorized for use. 

c) Base, side and center service Line Umpires call “Foot Faults” on their respec - tive lines. 

d) Chair umpire calls all “Lets,” “Foul Shots,” “Foul Strokes,” “Hindrances,” “Not Ups” and “Touches.” 

e) Line umpires shall not be permitted to call through the net. 

2) Less than a Full Complement of Line Umpires.  If less than a full complement of Line Umpires is available, the following should be used (Sufficient Line Um - pires must be assigned in the main draw so that the Chair Umpire is not solely responsible for calling any one line.): 

a) Seven (7) Line Umpires.  All long lines are called only up to the net. Serves are called from the receiver’s end and the center Line Umpire returns to his assigned sideline after the serve is put into play, i.e., there is movement 

## VII. THE COMPETITION 

during the point. The assignments for seven (7) Line Umpire crew are as follows: 

i) Four (4) side Line Umpires, one of who calls the receiver’s center service line; after the serve is put into play, this umpire returns to his assigned side line. (The umpire calling the center service line on the receiver’s end moves during the point when he returns to his assigned side line after the serve is put into play.). In addition, the side Line Umpire on the receiver’s end shall alternate calling the center service line of the “deuce” and “ad - vantage” courts, moving between points. 

 ii) One Line Umpire calls serves at each end of the court. 

iii) One Line Umpire calls each base line (2). 

iv) Chair umpire calls all “Lets,” “Not Ups,” “Foul Shots,” “Touches,” “Hin - drances” and “Throughs.” 

## b) Six (6) Line Umpires. 

i) Three (3) umpires cover the long lines; the side service lines are called through the net from the server’s end of court and the center service line is called from the receiver’s end. 

 ii) One Line Umpire calls serves at each end of the court. 

iii) One Line Umpire calls each base line (2). 

iv) Chair umpire calls all “Lets,” “Not Ups,” “Foul Shots,” “Touches,” “Hin - drances” and “Throughs.” 

c) Five (5) Line Umpires . The assignments are the same as for the six (6) man crew, except that the center service Line Umpire shall move after the serve to the side line. 

d) Four (4) Line Umpires. The assignments are the same as for the five (5) man crew, except that the Chair Umpire, depending on personal preference and court surface, selects the lines that he will call. 

e) Less Than Four (4) Line Umpires. The Chair Umpire shall assign the Line Umpires to the best advantage possible. 

f) Umpiring Without Line Umpires.  If a Chair Umpire is required to umpire a match without any Line Umpires, or without a full complement of Line Um - pires, then the Chair Umpire must make the calls for the net and all unattend ed lines. If the Chair Umpire is unable to give a decision on a call or other questions of fact, then he must order a “Let” to be played. 

## Players Don’t Call Lines 

Case:  In ATP Tour or ATP Challenger Tour qualifying events where approval has been granted to use less than five (5) Line Umpires per match; may the Chair Umpire designate certain or all lines for the players to make the calls? 

Decision:  No. If a Chair Umpire is required to umpire a match without any Line Umpires or without a full complement of Line Um- pires, then the Chair Umpire must make the calls for the net and all unattended lines. 

## B.Hand Signals of Line Umpires 

The approved hand signals are as follows: 

1) “Out” or “Fault.” The arm should be fully extended sideways at shoulder height, pointing in the direction in which the ball has fallen, palm of the hand facing the 

aa) There is no movement during a point. 

