The ECU Souwest Jets Open side silenced the critics with a two-goal win over second-placed Western Roar in Round 11.
On Sunday afternoon, the Jets returned to the Eaton Recreation Centre for their final home game of the season.
The home team moved out to a three-goal lead midway through the opening quarter.
With Goal Shooters Sloan Burton (Jets, 38 goals) and Larissa Harrison (Roar, also 38) in top form, both sides drew level at the first change.
The Roar took the lead in the second, before the Jets came back moments later.
Trailing by one at the main break, the Roar recovered to claim a 46 to 42 lead at three quarter time.
Taking over as Goal Shooter, star Giselle Taylor (11) put the Jets back in front in the fourth.
Holding off a late surge from the Roar, the Jets posted a tight 56 to 54 home win.
The side remains sixth on the ladder with three wins and six losses.
Earlier in the day, the Roar's Under-20s delivered an impeccable performance against the Jets.
Thanks to strong defensive pressure and several turnovers, the Jets held a two-goal quarter-time lead.
Unfazed by the opposition, the visitors then rallied to clinch a 21 to 15 half-time buffer.
The Roar produced a 15 to 9 third quarter, before going on to win 54 to 34.
The Jets U20s slipped from second to third, following Sunday's loss.
Both Jets sides will go up against the East Fremantle Sharks in Perth, this Friday night.
Round 15 of the South West Netball Football League competition saw reigning premiers Busselton topple South Bunbury, 53 to 39.
Bunbury moved to the top of the table with a 59 to 34 win over Carey Park at the South West Sports Centre.
The Bulldogs continued their hot streak with a 71 to 46 triumph over Busselton, at the Geographe Leisure Centre, in Round 16.
Carey Park retained second after defeating Augusta-Margaret River, 57 to 33.
The Eaton Boomers earned a 50 to 41 victory over third-placed Harvey-Brunswick-Leschenault.
Busselton, South Bunbury, and the Hawks are currently fifth, sixth, and seventh respectively.
Round 17 will see Augusta-Margaret River face Busselton and South Bunbury clash with Bunbury.