Brooke Wirkkala scored 22 points, Payton Kessler added 16 and the Rockets opened their season with a home win.
Castle Rock took control early, outscoring Winlock 22-9 in the first quarter.
The Rockets held Winlock to just 16 field goals, including two 3-pointers.
CASTLE ROCK 68, WINLOCK 45
WINLOCK (0-1) — Karlie Jones 15, Kelly 0, Elizabeth Wolfe 0, Alexa Barragan 0, Gee 0, Angela Gil-Munoz 2, Azhia Camps 2, Addison Hall 25, Rylei Krusmark 0, Kiya Peppers 1. Totals 14 (2) 15-31 45.
CASTLE ROCK (1-0) — Brooke Wirkkala 22, Lori Ogden 2, Rhiannon Sibbett 0, Veda Frost 4, Ella Anderson 10, Payton Kessler 16, Zoey Snow 5, Gracie Kimball 0, Averee Perdue 2, Grace Pelletier 1, Jenna Lee 6. Totals 24 (3) 17-29 68.
Winlock 9 9 12 15–45
Castle Rock 22 16 16 14–68
JV — Castle Rock 52-21.