Melbourne, Jan 14, 2018 (AFP) - - Understrength Adelaide United held Sydney FC to a 0-0 draw on Sunday to reduce the defending champions' A-League competition lead to six points.
The Reds became the first A-League side to deny Sydney FC a goal since November when Central Coast Mariners beat the Sky Blues 2-0.
Adelaide were forced to hand three players their debut but were resolute against the competition heavyweights.
The Newcastle Jets kept in pursuit of the leaders with a 1-0 home win over the Brisbane Roar.
Jason Hoffman provided the match winner in the 11th minute for the Jets to hold on to second spot and edge closer to the club's first finals appearance since 2009-10.
Third-placed Melbourne City played an hour with 10 men but grabbed a 2-2 draw with the Central Coast Mariners on Sunday.
The eighth-placed Mariners were twice in front but were pulled back by City with Poland's Marcin Budzinski grabbing the equaliser in the 86th minute.
Kosta Barbarouses sealed a 3-2 win for fourth-placed Melbourne Victory over Perth Glory, re-igniting their finals charge.
Barbarouses scored a 90th-minute winner but it was Dutchman Leroy George who set up Victory's three goals in a majestic performance.
Bottom team Wellington Phoenix drew 1-1 with Western Sydney Wanderers following on from Wednesday's 2-1 defeat of Melbourne Victory.