La Monte eked out a close three-set win over Tipton 24-26, 26-24, 25-23 on Thursday.
Heidi Sullivan led Tipton with 24 attack attempts. Jessica Bishop had 12 kills and four blocks. Maddi Eldringhoff had three aces.
La Monte won the junior varsity game 25-11, 25-14.
Tipton (5-19-2) will open district play Monday against the host Father Tolton.