KARACHI, Oct 26: Favourite Omer Shahid eased into the semi-finals of the men's singles event after his quarter-final opponent Mohammad Abdul retired from the match in the 10th STA Development Series Tennis Championship at the CDGK Sports Complex here on Tuesday.

Omer took the first set 7-6. Saeed in the second set decided to retire due to exhaustion.

Meanwhile, Mustafa Zaidi also secured a place in the semi-finals of the event registering a 6-0, 6-3 win against Asadullah in the last-eight encounter. Zaid Noor Sumar defeated Sikander Hayat Khan recording a 6-1, 7-6 win to confirm his presence in the last four.

Uroosa Ahmed cruised into the semi-finals of ladies singles' event after thrashing Waniya Khan 8-1 in the quarter-final.

Farhan Mustafa eased into the semi-finals of junior U-17 singles event, after getting a walkover against Sarwan Memon. Mustafa Zaidi qualified for the last-four stage of the event after beating Sanwal Memon 6-2, 6-1.

Men's singles quarter-finals:

Omer Shahid bt Mohammad Abdul Saeed 7-6, rtd; Mustafa Zaidi bt Asadullah 6-0, 6-3; Zaid Noor Sumar bt Sikander Hayat Khan 6-1, 7-6.

Ladies singles quarter-finals:

Uroosa Ahmed bt Waniya Khan 8-1.

Juniors U-17 singles quarter-finals:

Farhan Mustafa w/o Sarwan Memon; Mustafa Zaidi bt Sanwal Memon 6-2, 6-1.

Boys U-11 singles quarter-finals:

Talal Siddiqui bt Hassan Iltifat 8-7; Houd Azhar bt Haniya Naved 8-3; Mohammad Raza Sawani bt Bilal Imran Lohya 8-3.—Agencies