It took just one week and two rounds to pair the area's six North Coast Section playoff-qualified teams down to one sole survivor.
St. Vincent's girls, the two-time defending NCS champion, got off to a good start in the run for the championship game again, defeating Calistoga, 4-0, in a second-round game after receiving a first-round bye.
St. Vincent had little trouble in their Saturday afternoon home game, scoring three first-half goals against Calistoga.
Lauren Kulasingam, Taylor Owen, Rebecca Dodele and Delaney Frye accounted for the Lady Mustang goals. Frye, Kulasingam, Owen and Emerald Jones had assists.
The St. Vincent defense, playing in from of goalkeeper Jacalyn Murphy, stifled the Calistoga attack.
Things get tougher for the Lady Mustangs, who were to play No. 2 seed Sonoma Academy (16-4) Wednesday at Sonoma Academy. The winner of that game would face the winner of Wednesday's game between unbeaten Middletown (19-0-1) and Cloverdale (17-2-3) in the championship game on Saturday.
In Division 1 play, Casa Grande, after receiving a first-round bye, lost to Analy, 3-2, in overtime Saturday night at Casa.
Casa Grande led 2-1 with just over two minutes to play, when Kailee Castro scored for the Lady Tigers to tie the game. In overtime, Mackenzie Boulton scored the game winner for Analy off an assist from Castro.
Casa Grande finished its season with a 12-7 record.
Petaluma beat Sonoma Valley, 3-1, on Wednesday, but lost in the quarterfinals to Montgomery, 2-0.