The Petaluma High School girls softball team stretched its winning streak to 19 straight and remained undefeated in the Sonoma County League Thursday evening, riding the 3-hit pitching of Dana Thomsen to a 6-0 win over Sonoma Valley.

A four-run second inning was more than enough support for Thomsen.

Katie Bisges led a strong T-Girl hitting attack with three hits and two RBIs. Brie Gerhardt and Nicole Wiecks each had two hits, with Wiecks hitting a double and driving in two runs.

Petaluma is now 9-0 in league and 19-1 overall.

The T-Girls step out of league play Saturday to host Alhambra from Martinez in a noon game.

The game matches two of the best North Coast Section teams with Alhambra bringing a 16-1-1 record into the contest.