The age groups are designated U9, U10, U11, etc, meaning under 9, under 10, under 11, etc. To play in U11, the child must not be 11
(in other words, s/he must be under 11 until) before July 31st of this year. Similarly for the other age groups - August 1 is the cut-off
During team registration, parents will be required to remit a copy of the child's birth certificate as proof of age.