Poowong held on in a thrilling encounter in the under 18s, defeating Lang Lang by a solitary point.
Four goals to two in the third term helped the Magpies edge ahead after the Tigers had held a narrow lead throughout the first half.
One goal apiece saw Poowong hold on, 9-4 (58) to 8-9 (57).
Gavin Monson, Hayden Hessels, Henri Bott, Aaron Damon, Nathan Halliday and Cruze Deal led the way in the thrilling victory.
Helping the Tigers push to the end were Harry Herbert, Cooper Phommaxaysy, Blake Wright, Cooper Davey, Jaeden Ward and Nicholas Slavovic.
BULN BULN comfortably accounted for Nilma-Darnum, 12-9 (81) to 5-9 (39).
Zak Nakamura, Charles Kilmartin (five goals), Callum Kennedy, Beau McMillan, Flynn Bravington and Jake Olsson were prominent for the Lyrebirds.
The Bombers were best served by Albert McAuley, Lucas Dalton, Levi Fisher, Connor Wettenhall, Jaxon Cook and Patrick Brown.
NEERIM-NEERIM SOUTH kept Bunyip goalless on the way to winning 13-8 (86) to 0-5 (5).
Seven goals to nil in the first half saw the Cats effectively shut the gate, before adding six goals in the second half in a consistent effort.
Seven goals from Blake Macdonald led the charge with Blair Loft, Jett Muir, Jordan Franz, William Kew and Anthony Tripodi also prominent.
The better players for the Bulldogs were Ethan Cooke, Cody Welch, Max Leone, James O'Hara, Kade Poole and Jack Puncheon.
ELLINBANK had an even spread of contributors in a thumping win over Trafalgar, 22-14 (146) to 4-6 (30).
The Eagles listed Tyler Christian, Charlie Armour, Tarynt Davidson, Fionn Whelan, Taj Irwin and Mitchell Warren as their best players.
Battling against the odds for the Bloods were Zak Larkin, Brodie Gauci, Louis Hennessy, Lachlan Gringhuis, Jamie Buch and Oliver McQualter.