KARACHI - Saba Aziz displayed quality tennis to topple favourite Sarah Mansoor of Islamabad in straight sets in the semi-final of the ladies singles of the Techron Pakistan Open Tennis Championship here at Creek Club on Thursday. She won 6-3, 7-6 to set up final clash with Ushna Suhail of Lahore in the final sponsored by Caltex and organized by the Sindh Tennis Association. Nasir Mushtaq became the first player to reach the semifinal of the men's singles when he defeated Tanveer Ashiq of Lahore in the quarterfinal 6-1, 6-3. Results Men s Singles .Remaining pre-Quarters Jalil Khan beat Saad Baloch 6-2, 6-2 Khurram Nazir (Lahore) beat Ghulam Abbas Panju 6-4, 7-5 Tanveer Ashiq Lahore beat Danish Ahmed 6-3, 3-6, 6-4 Men's Singles Quarter final Nasir Mushtaq beat Tanveer Ashiq 6-1, 6-3 Ladies Singles Semi Final Saba Aziz beat Sarah Mansoor 6-3, 7-5 Juniors under 17 singles Pre Quarters Syed Zuhair Raza beat Haseeb Yaqoob (Islamabad) 6-0, 6-0 Omer Shahid beat Omer Usman 6-1, 7-5 Malik Abdul Rehman ( Multan ) beat Nameer Shamsi 6-2, 7-6 Adil Kohari beat Mustafa Tariq 6-3, 6- 3 Mustafa Zaidi beat Abdul Rehman 6-2, 6-3 Faizan khurram ( Lahore) beat Sajid Ali ( Lahore) 6-3, 6-1 Farhan Mustafa beat Husain Aziz 4-6, 6-3, 6-3 Sadanul Haq ( Islamabad ) beat Asjadb Itizaz ( Islamabad) 6-0, 6-2