Perski crashed to a 3-0 defeat by Sydney, but Bertha Yuana's solitary strike on the hour mark proved the difference on Sunday.

Sriwijaya FC Palembang kept the pressure on table-toppers Persib Bandung by wrapping up their first half of the season with a 5-1 demolition of Persela Lamongan.

Richard Anorue Obiora, Benben Berlian and Zah Rahan netted a goal each and Cameroonian Christian Lenglolo added a double, while Yoppie Rayar grabbed goal for Persela.

Persija Jakarta also closed their first half season on a high note after winning 2-1 at home over Persita Tangerang.

Striker Aliyudin headed home his eighth goal of the season after 26 minutes, but Esaiah Benson's thundering strike pulled Persita level with 17 minutes remaining.

But Javier Roca converted a 82nd minute penalty after defender Hamka Hamzah was brought down inside the area.

Pelita Jaya Purwakarta grabbed a 1-0 victory against Semen Padang courtesy of Alseny Diawarra strike, while last year's league runners-up PSIS Semarang fell to a 1-0 defeat by Persitara Jakarta Utara.

Meanwhile, Arema Malang recorded back-to-back wins this week with a convincing 3-0 home victory against Perseman Manokwari in the Liga Indonesia Eastern Conference.

Arema recorded their first AFC Champions League win against Bangkok University in midweek, while Sunday's victory over Perseman moved them up to ninth place in the table.

Cameroonian striker Essa Mvondo opened the scoring from the penalty spot eight minutes before the break after defender Alex Pulal was upended inside the area.

Mvondo increased the lead after 67 minutes, heading home strike partner Jainal Ichwan's cross, before Liberian midfielder Anthony Jommah Ballah completed the scoring with a stunning volley from Indonesia international winger Elie Aiboy's cross.

Persegi Bali FC failed to capitalise on taking an early lead at home through Komang Adnyana's fifth minute penalty, as Persiba Balikpapan fought back to claim a 2-1 victory.

Persiba levelled from the spot 15 minutes later through Adrian Trinidad before Miro Baldo Bento completed the comeback with five minutes remaining.

Relegation threatened former champions Persebaya Surabaya recorded a 1-0 victory against Pupuk Kaltim Bontang as Arif Ariyanto's strike with six minutes remaining boosted their survival bid.

Serbian striker Zoran Vuksanovic handed Deltras Sidoardjo a 1-0 victory against Persis Solo, while Jaime Sandoval penalty handed PSIM Yogyakarta a 1-0 win over Persijap Jepara.