Wollongong Olympic drew level with Bulli at the summit of the competition following a determined 1-0 win over Port Kembla on Saturday.
A goal from star striker Yusuke Ueda in the shadows of half time lifted the visitors to another three points at Wetherall Park.
Olympic are now level with Bulli on points at the top of the league, with the latter holding a superior goal difference.
In Sunday’s other game, Tarrawanna completed a perfect week with a valuable 2-0 win over Corrimal Rangers.
The Blueys were the only Illawarra Premier League club to progress in the FFA Cup during the week after beating UNSW in a penalty shootout.
TABLE: Bulli 18, Wollongong Olympic 18, Albion Park White Eagles 17, Wollongong United 13, Corrimal Rangers 13, Fernhill 12, Tarrawanna 10, Port Kembla 10, Cringila Lions 9, Picton Rangers 3, Woonona 0, South Coast United 0.