Frederic Mendy, Qiu Li and Firdaus Idros scored for the Protectors with Mislav Karoglan and Fazrul Nawaz replying for the Warriors.
This victory has enable the Protectors to open up a 5-point gap at the top between them and their rivals.
In other matches, Albirex Niigata (S) crushed Gombak United 5-1, Balestier Khalsa defeated TPUFC 2-0 and Courts Young Lions crushed Woodlands Wellington 4-0.
Shotaro Ihata and Bruno Castanheira each scored a brace for the White Swans with Tatsuro Inui notching the fifth goal while Obadin Aikhena scored the sole goal for the Bulls.
Kim Young Kwang and Mark Kevin McGough scored for the Tigers in their win.
Khairul Nizam, Safuwan Baharudin, Faris Ramli and Ruzaini Zainal scored in the Courts Young Lions victory.
Lionel Lewis (GK) (Fajar Sarib), Kenji Arai, Juma'at Jantan, Valery Hiek, Rosman Sulaiman, Zulfadli Zainal Abidin, Shi Jiayi (C), Isa Halim, Masrezwan Masturi (Firdaus Idros), Frederic Mendy (Abdil Qaiyyim), Qiu Li
Shahril Jantan (GK) (C), Shaiful Esah (Indra Sahdan), Hafiz Osman (Razaleigh Khalik), Bah Mamadou, Daniel Bennett, Ivan Jerkovic, Goran Subara, Taisuke Akiyoshi, Mustaqim Manzur, Mislav Karoglan, Erwan Gunawan (Fazrul Nawaz)
Zaiful Nizam (GK), Hamqaamal Shah, Jeremy Chiang, Ismail Yunos, Obadin Aikhena (C) (Abdul Hadi), Tengku Mushadad, Ruhaizad Ismail (Kwon Jin Sung), Park Kang Jin, Ridwan Jamil, Fareez Farhan (Zulkiffli Hassim), Chang Jo Yoon
Joey Sim (GK), Anaz Hadee, Lim Young Woo, Paul Cunningham (C), Ishak Zainol, Armanizam Dolah (Ridhwan Osman), K Vikraman, Poh Yi Feng (Shamsurin Abd Rahman), Andrew Tan, Kim Young Kwang, Mark Kevin McGough
Ridhuan Barudin (GK), Khairul Solyhin, Kim Seong Kyu (C), Delwinder Singh, Taufiq Rahmat (Ganesan s/o Devadas), Kim Jong Oh, Cyril Bagnost, Takaya Kawanabe, Nurizam Azman (Arisman Arman), Gary Loo (Israel Tan), Hafiz Nor
Woodlands WellingtonAng Bang Heng (GK), Fumiya Kobayashi, Duncan Elias, Munier Raychouni (C), Madhu Mohana, Jalal, Guntur Djafril (Darrel Tan), Han Yiguang (Sahairi Ramri), Hyun Jong Woon, Goh Swee Swee, Moon Soon Ho
Courts Young Lions
Izwan Mahbud (GK), Afiq Yunos, Irwan Shah, Safuwan Baharudin (Safirul Sulaiman), Fazli Ayob (Hafiz Abu Sujad), Eugene Luo, Zulfahmi Arifin, Hariss Harun (C), Faris Ramli, Nazrul Ahmad Nazari (Ruzaini Zainal), Khairul Nizam