ISLAMABAD The Pakistan Tennis Federation (PTF) will hold open trials for the selection of Pakistan Under-16 Junior Davis Cup from April 3, 2010 at Bagh-e-Jinnah Tennis Courts, Lahore. Under-16 team will participate in the Junior Davis Cup qualifying round that will be held from April 19 to 24 this year 2010 at Kuching, Malaysia. The trials will be held under the supervision of Zahid Zafar while Shahzad Akhtar Alvi has been nominated referee for this event.