Irfan found the net three minutes from time after both the teams failed to break the deadlock in the first 35 minutes of play.
Leyyah wasted four penalty-corners while Chakwal misfired two.
Mandi Bahauddin and Sahiwal played a one-all draw game. Sahiwal took the lead through left-half Nasrullah in the 49th minute which was equalized by Imran Ali in the 57th minute.
Bahawalnagar earned a narrow 2-1 win against Bhakhar. After a barron first half, Inside-right Junaid and outside-left Imran scored in quick time to give the winners a 2-0 lead.
Bhakhar got the consolation goal in the final minute of the match through centre-forward Waseem Abbas.
Two goals by Mohammad Zubair helped Okara beat Gujrat 3-0 after enjoying a 1-0 lead at the interval.
Zubair struck in the 11th and 23rd minutes whereas centre-forward Tahir Mahmood scored a field goal in the 5th minute.
Four goals by inside-left Zeeshan Akram guided Toba Tek Singh to blitz Hafizabad 9-0. The winners led 2-0 at lemon time.
Zeeshan Akram sounded the board in the 29th, 33rd, 37th and 49th minute. Centre-forward Inayatullah slammed goals in the 20th and 37th minute while Outside-left Usman banged home in the 47th and 53rd minute. Inside-right Shahid Nadeem completed the tally in the 57th minute.
Rana Usman netted three goals to help Sargodha thrash Jhang 7-0. Sargodha led 2-0 at the half time.
Usman scored goals in the 13th, 22nd and the 44th minute. Centre-forward Adeel Akram got two in the 36th and 59th minutes. Outside-left Naseer Ahmed found the cage in the 39th and the 53rd minute.
Four goals by inside-left Mohammad Arif Yasir helped Faisalabad trounced Rajanpur 8-0 after developing 2-0 lead at the half way stage.
Right-half Nauman of Rajanpur was badly injured when he fell down on the ground and struck with his own hockey-stick in the early stage of the match. He is suspected to have suffered an epilepsy attack. He has been shifted to Services Hospital.
Arif Yasir, who had scored a hat trick on Monday, scored goals in the 6th, 34th, 39th and the 59th minutes.
Mohammad Naseer (12th), left-half Qaiser Dildar (49th), Mohammad Ashar Ahmed (53rd) and centre-forward Mohammad Qasim Ikram (57th) added one goal each.
Vehari walloped Rahim Yar Khan 7-0 with goals from outside-right Ramzan (13th, 37th), full-back Mohammad Shoaib (8th), inside-right Muqadas (18th), centre-forward Shahid (41st), outside-left Mansab (45th) and Abuzar (54th).
Sialkot registered a crushing 8-0 defeat over Multan.
Centre-forward A.Saeed and right-half Shahid scored three goals each. Saeed scored in the 29th, 30th, 39th minutes while Shahid banged home in the 40th, 46th and 55th minutes. Outside-right Saqib (35th) and full-back Salman (42nd) chipped in with one goal each.