ISLAMABAD Aqeel Khan, Samir Iftikhar, Jalil Khan and Tanveer Ashiq advanced to the semi-finals of the ongoing National Clay Court Tennis Championship here at the PTF Tennis Complex. Top seed Aqeel Khan was in excellent form and eliminated Sadanul Haq in straight sets 6-1 and 6-0. Second seed Jalil Khan beat Abid Ali Akber in straight sets 6-3 and 6-4 while third seed Tanveer Ashiq faced tough resistance from his elder brother Munir Ashiq and beat him 7-5 and 7-5. The upcoming talented youngster Samir Iftikhar, grandson of Iftikhar, displayed high-quality game. In the morning session in pre-quarter-final, Samir beat Mohammad Abid of Lahore easily in straight sets 6-2 and 6-0 and in the quarter-final, he beat Imran Shaukat of Multan in another straight sets match 6-3 and 6-3. Samir will face top seed Aqeel Khan in the semi-final while Jalil Khan will meet Tanvir Ashiq. In the boys single u-18, Samir Iftikhar, Abid, Heera Ashiq and Malik Abdul Rahman qualified for the semi-final by winning their respective quarter-finals. Mohammad Abid caused the major upset of the tournament by eliminating top seed Sadan-ul-Haq in straight set 6-1 and 6-1 by playing powerful game from the base line. Samir Iftikhar proved too good for Jibran-ul-Haq son of former Davis Cup player Hamid-ul-Haq in straight set 6-0 and 6-0 without conceding a single game in both sets. Results: Mens singles quarter-finals: Aqeel Khan beat Sadan-ul-Haq 6-1, 6-0, Tanveer Ashiq beat Munir Ashiq 7-5, 7-5, Jalil Khan beat Abid Ali Akber 6-3, 6-4, Samir Iftikhar beat Imran Shaukat 6-3, 6-3. Boys u-18 singles quarter-finals: Mohammad Abid beat Sadan-ul-Haq 6-1, 6-1, Malik Rahman beat Usman Rafiq 4-6, 6-4, 7-6, Samir Iftikhar beat Jibran-ul-Haq 6-0, 6-0, Heera Ashiq beat Sajjid Ali 6-0, 6-1. Boys u-14 singles quarter-finals: Kashan-ul-Haq beat Mohammad Mudassar 4-2, 4-0, Hamza Bin Asif beat Hamza Asad 4-0, 4-2, Imad Amer beat Zaid Muhahid 5-3, 4-0, Hasnain Manzoor beat Talal Almas 4-2, 3-5, 4-1. Mens doubles quarter-finals: Inamullah & Jehanzeb beat Usman Ijaz & Ahmed Ejaz 6-4, 6-4, Abid Ali Akber & Hamid-ul-Haq beat Irfanullah & Shahzad PAF 6-1, 6-3, Waqas Malak & Heera Ashiq beat Tanveer Ashiq & Imran Shaukat 6-1, 2-6, (10-8). Mens doubles semi-finals: Aqeel Khan & Jaleel Khan beat Inamullah & Jehanzeb 6-3, 6-2, Hamid-ul-Haq & Abid Ali Akber beat Waqas Malak & Heera Ashiq 6-4, 1-6, (11-9). Ladies singles quarter-finals: Sara Mansoor beat Meheq Khokhar 6-2, 6-3, Saba Aziz beat Fizza Abid 6-0, 6-0.