▁place ▁at ▁the ▁W uta ish an ▁Stadium ▁and ▁the ▁Ji ang ning ▁Sports ▁Center , ▁both ▁located ▁in ▁Nan j ing , ▁China , ▁between ▁ 1 4 – 2 6 ▁August ▁ 2 0 1 4 . ▁ ▁Each ▁match ▁last ed ▁ 8 0 ▁minutes , ▁consisting ▁of ▁two ▁periods ▁of ▁ 4 0 ▁minutes , ▁with ▁an ▁interval ▁of ▁ 1 5 ▁minutes . ▁ ▁Part icip ating ▁teams ▁One ▁team ▁from ▁each ▁contin ental ▁conf eder ation ▁participated ▁in ▁the ▁tournament . ▁The ▁same ▁country ▁may ▁not ▁particip ate ▁in ▁both ▁the ▁boys ' ▁and ▁girls ' ▁tournament . ▁As ▁hosts , ▁China ▁was ▁given ▁Asia ' s ▁spot ▁to ▁comp ete ▁in ▁the ▁girls ' ▁tournament ▁( and ▁thus ▁could ▁not ▁particip ate ▁in ▁the ▁boys ' ▁tournament ). ▁Teams ▁may ▁qual ify ▁through ▁pre lim inary ▁compet itions , ▁or ▁be ▁nominated ▁for ▁participation ▁by ▁their ▁conf eder ation , ▁with ▁the ▁invited ▁teams ▁rat ified ▁by ▁FIFA ▁during ▁their ▁meeting ▁in ▁Zürich ▁on ▁ 3 – 4 ▁October ▁ 2 0 1 3 . ▁ ▁Squad s ▁ ▁Play ers ▁must ▁be ▁ 1 5 ▁years ▁old ▁( born ▁between ▁ 1 ▁January ▁and ▁ 3 1 ▁December ▁ 1 9 9 9 ) ▁to ▁be ▁el ig ible ▁to ▁particip ate . ▁Each ▁team ▁consisted ▁of ▁ 1 8 ▁players ▁( two ▁of ▁whom ▁must ▁be ▁goal keep ers ). ▁ ▁Match ▁officials ▁A ▁total ▁of ▁six ▁ref ere es ▁and ▁twelve ▁assistant ▁ref