OUR STAFF REPORTER KARACHI - M Asif of Punjab exhibited superb potting registering a break of 138 highest so far in the competition while defeating M Imran by four frames to one in third Jubilee General Insurance ranking snooker here Tuesday at Karachi Gymkhana. Besides the century break Asif also recorded breaks of 96, 75 and 66 in his 50-88, 138-0, 96-04, 75-67, 89-24 win Sultan M of Sindh was the second player to record a century break of 121 in his defeat at the hands of former world champion Yousuf who recorded his first in win in three outings. He had lost first two league matches but he came back strongly in the third match when he won four frames to one against Sultan. 0-136, 72-30,54-24,61-47,65-53.) Asjad Iqbal recorded a break of 100 in winning by four frames to one against Zahoor Ahmed 61-01, 124-15, 77-24, 42-44, 76-41 Results: Umair Alam (Sindh) beat M Asif Toba (Punjab), Abdul Sattar (Sindh) beat Nauman Awan (KP), Shahid Aftab (Punjab) beat Naveen Perwani (Sindh), M Yousuf (Sindh) beat Sultan M (Sindh), M Asif (Punjab) beat M Imran (Punjab) 4-1, Sohail Shahzad (Sindh) beat Rashid Mehmood (Punjab), Imran Shahzad (Punjab) beat Imran Qamar (Punjab), M Sajjad (Punjab) beat Sharjeel Mehmood (KP), Khurram H Agha (Sindh) beat Ayaz Khan (Punjab), Asjad Iqbal (Punjab) beat Zahoor Ahmed (BAL), Hamza Akbar (Punjab) beat M Naeem Jaffer (BAL), Bilawal Agha (Sindh) beat Faisal Kashmiri (Sindh) and Abu Saim (Punjab) beat Shah Khan (KP).