Balestier Khalsa caused the shock of the round as they destroyed Champions Tampines Rovers 4-0 at Toa Poyah.
They Champions had come into the game with 2 win with no goals conceded while scoring 4 themselves yet it was the home side who went for the jugglers from the start as they take a two goals with strike from Qiu Li and Kim Minho.
Unlike their last game against Geylang International when they threw away their two-goal lead, Balestier kept up the pressure in the second period with a goal immediately from skipper Paul Cunningham.
With a three goal lead, it was a matter how big the final margin will be as Park Kang Jin notched another goal to send the champions to their worst defeat of the season.
Second placed Albirex Niigata (S) took full advantage as they beat Hougang United 2-1 with a double from Kazuki Sakamoto while Cheetahs goal came from Mamadou Diallo.
In other games, it ended in draws for both of them as Warriors FC drew 1-1 with Woodlands Wellington and DPMM Brunei was held to a 1-1 draw with Courts Young Lions.
Inui Tatsuro got the goal for the Warriors with Atsushi Shimono replying for the Rams.
In the DPMM-Cubs game, Fareez Farhan goal gave the Cubs their first point of the season after Adi Said had given the Brunei side the lead.
Fadhil Salim (GK), Faizal Amir, Hasree Zais, Syaqir Sulaiman, Lau Meng Meng (C), Nurhilmi Jasni (Basit Hamid 85'), Thomas Beattie (Fairoz Hasan 78'), Azhar Sairudin, Fazli Jaffar, Mamadou Diallo, Liam Shotton (Jerome Baker 69')
Zaiful Nizam (GK), Yusiskandar Yusop (Zulkiffli Hassim 84'), Paul Cunningham (C), Tengku Mushadad (Hamqaamal Shah 79'), Jaslee Hatta, Kim Minho, Park Kang Jin, Poh Yi Feng, Syed Thaha, Obadin Aikhena, Qiu Li (Ruhaizad Ismail 66')