ITF

53 Measurement Description Criterion (m) Tolerance (mm) Range (m) DC Distance between doubles sidelines 10.973 11 10.96-10.98 Dd, Cc Doubles sidelines to singles sidelines 1.372 5 1.37-1.38 dJ Singles sideline to centre mark 4.115 5 4.11-4.12 dc, GF Distance between singles sidelines 8.233 8 8.22-8.24 GH Singles sideline to centre serviceline 4.115 5 4.11-4.12 ad, bc Net to baseline 11.887 22 a 11.87-11.91 aG, bF Net to serviceline 6.401 16 a 6.38-6.42 dd', cc' Distance between baselines 23.774 24 23.75-23.80 GG', FF' Distance between servicelines 12.802 13 12.79-12.81 NN' b Length of net 12.802 23 a 12.78-12.82 XN b,c Middle of net to net post 6.401 16 a 6.38-6.42 DC', CD' Full-court diagonal (doubles) 26.184 26 26.16-26.21 C to backstop Baseline to backstop ≥ 6.40 d N/A N/A C to sidestop Baseline to sidestop ≥ 3.66 e N/A N/A Notes: Movement of grass during the application of court markings shall be taken into account when assessing the results. a. 10 mm added to the tolerance for measurements involving the net. b. N is measured from the centre of the net posts. c. 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. d. Applies to international competition. For recreational and club play, the recommended minimum distance is 5.48 m. e. Applies to international competition. For recreational and club play, the recommended minimum distance is 3.05 m. Table 5. Recommended tolerances for dimensions of a tennis court.

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