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APPENDIX VI 10 AND UNDER TENNIS COMPETITION Courts:


In addition to the (full sized) court described in Rule 1, the following court dimensions may be used for 10 and under tennis competition:


 A court, designated “red” for the purposes of 10 and under tennis competition, shall be a rectangle, between 36 feet (10.97 m) and 42 feet (12.80 m) long, and between 14 feet (4.27 m) and 20 feet (6.10 m) wide. The net shall be between 31.5 inches (0.800 m) and 33.0 inches (0.838m) high at the centre.


 A court, designated “orange”, shall be a rectangle, between 58 feet (17.68 m) and 60 feet (18.29 m) long, and between 20 feet (6.10 m) and 27 feet (8.23 m) wide. The net shall be between 31.5 inches (0.800 m) and 36.0 inches (0.914m) high at the centre.


Balls: Only the following ball types can be used in 10 and under tennis competition:


 A stage 3 (red) ball, which is recommended for play on a “red” court, by players aged up to 8 years, using a racket up to 23 inches (58.4 cm) long.


 A stage 2 (orange) ball, which is recommended for play on an “orange” court, by players aged 8 to 10 years, using a racket between 23 inches (58.4 cm) and 25 inches (63.5) cm long.


 A stage 1 (green) ball, which is recommended for play on a full sized court, by advanced players aged 9 to 10 years, using a racket between 25 inches (63.5 cm) and 26 inches (66.0 cm) long.


Note: Other ball types described in Appendix I cannot be used in 10 and under tennis competition.


Specifications for stage 1, 2 and 3 balls:


STAGE 3 (RED) FOAM


MASS (WEIGHT) SIZE


REBOUND FORWARD


DEFORMATION


25.0-43.0 grams (0.882-1.517 ounces)


8.00-9.00 cm (3.15-3.54 inches)


85-105 cm (33-41 inches)


STAGE 3 (RED) STANDARD


36.0-49.0 grams (1.270-1.728 ounces)


7.00-8.00 cm (2.76-3.15 inches)


90-105 cm (35-41 inches)


------- -------


STAGE 2 (ORANGE) STANDARD


36.0-46.9 grams (1.270-1.654 ounces)


6.00-6.86 cm (2.36-2.70 inches)


105-120cm (41-47 inches) 1.40-1.65 cm


(0.551-0.650 inches)


STAGE 1 (GREEN) STANDARD


47.0-51.5 grams (1.658-1.817 ounces)


6.30-6.86 cm (2.48-2.70 inches)


120-135 cm (47-53 inches) 0.80-1.05 cm


(0.315-0.413 inches)


All tests for rebound, mass, size and deformation shall be made in accordance with the regulations described in the current edition of ITF Approved Tennis Balls,


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