Defending champion Sara Mansoor could not contain the scare of top seed Sara Mahboob in the semi-final.
Mahboob made a comeback after losing four match points in the first set, winning it 7-6(8).
Mansoor however, showed some resistance in the second set and was four points up but the experienced Mahboob won it 7-5.
The winner will now be seen in action against Ushna Sohail in the final of the championship.
Meanwhile, in the second semi-final, Ushna hammered Saba Aziz 6-4, 7-5.
In men's singles semi-finals, Aqeel Khan clinched his fixture against emerging junior star Samir Iftikhar.
Aqeel showed his experience defeating Samir 6-1, 6-1.
Earlier, in the first semi-final, Yasir Khan defeated his elder brother Jalil Khan 6-4, 7-5.
In the girls' U-18 event, Ushna clinched the title, sidelining Iman Qureshi 6-1, 6-3.
In the boys' U-14 category, Talal Almas defeated second seeded Hasnain Manzoor in the semi-final 3-5, 4-1, 4-1.
Talal will now face Mohammad Mudassir in the final.
Results
Men's singles (semi-finals)
Yasir Khan bt Jalil Khan 6-4, 7-5; Aqeel Khan bt Samir Iftikhar 6-1, 6-1.
Boys' U-14 (semi-finals)
Mohammad Mudassir bt Hamza Mazhar 3-5, 4-1, 4-1; Talal Almas bt Hasnain Manzoor 3-5, 4-1, 4-1.
Men's doubles (semi-finals)
Aqeel Khan/Jalil Khan bt Irfanullah/Shehzad 6-3, 6-3; Waqas Malik/Shahzad Khan bt M. Abid/Usman Rafique 6-3, 6-5.
Ladies' singles (semi-finals)
Sara Mahboob bt Sara Mansoor 7-6(8), 7-5; Ushna Sohail bt Saba Aziz 6-4, 7-5.
Girls' U-18 (final)
Ushna Sohail bt Iman Qureshi 6-1, 6-3.
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