Facilities > 2. Size & Marking


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The court markings define the playing area of the surface and provide consistency
with the Rules of Tennis and between courts.

2.1 Apparatus
 

Test apparatus consists of:

  1. Distance-measuring device, calibrated to ± 0.05%, such as a laser distance
    meter or a steel tape.
2.2 Calibration of apparatus


Check the distance-measuring accuracy of the apparatus against a known standard prior to testing.


2.3 Test procedure
  1. Using the calibrated device, measure each of the distances listed in table  (refer also to figure ). Follow the same procedure on both sides of the net to complete the court.
  2. Repeat the measurements in reverse order. Check any measurement for which
    the discrepancy between the two values exceeds half of the applicable
    tolerance.
2.4 Calculation of results
 

Calculate the mean of the two values measured for each distance. The criterion
values are listed in table. The tolerance for each test value (measured distance)
corresponds to 0.1% of the distance measured, with a minimum tolerance of 5 mm.


2.5 Recommendations
 

Refer to table:

 

Measurement
Description
Criterion (m)
Tolerance(mm)
Range
Xa, Xb
Middle of net to singles sidelines
4.115
5
4.110-4.120
Xn
Middle of net to singles sticks
5.029
5
5.024-5.034
XA, XB
Middle of net to doubles sidelines
5.486
5
5.481-5.491
XN
Middle of net to net posts
6.401
6
6.395-6.407
AC, BD
Half court diagonal (doubles)
16.177
16
6.161-16.193
AD, XJ, BC
Net to baseline
11.887
12
11.875-11.899
DC
Distance between doubles sidelines
10.973
11
10.962-10.984
Dd, Cc
Doubles sidelines to singles sidelines
1.372
5
1.367-1.377
dJ
Singles sideline to centre mark
4.115
5
4.110-4.120
aG, XH, bF
Net to serviceline
6.401
6
6.395-6.407
HG, HF
Centre serviceline to singles sidelines
4.115
5
4.110-4.120
ac, bd
Half court diagonal (singles)
14.458
14
14.444-14.472

Notes:
a. N and n are measured from the centre of the net posts/singles sticks.
b. In cases where the position of X cannot be located precisely, for instance due to
anchoring of the centre strap, use a reference point midway across the centre
serviceline.
c. All other measurements should be made to the outside edge of lines.
d. Movement of grass during the application of court markings shall be taken into
account when assessing the results.
 
Table. Recommended tolerances for dimensions of a tennis court.
 
Figure Plan view of half-court