Riverside (18-11) advances to Saturday’s 11 a.m. semifinals to face Oak Grove, which beat Many 7-4.

Watson's homer, her first of the season, gave Riverside a 3-0 lead in the second inning.

The Lady Rebels scored their first run when Peyton Sutton got hit by a pitch with the bases loaded to score Toni Hebert.

Hebert (11-5) went the distance and earned the win for the Lady Rebels.