Glenbrook North will return five players from its team that tied for eighth at state.
New Trier placed second and Deerfield took fourth at the girls state tennis tournament.
New Trier and Deerfield each have one singles player and doubles team in the state quarterfinals.
A combined 13 CSL singles and doubles entries won their first matches at the girls tennis state tournament.
Deerfield's Alex Casati is a No. 3-4 seed in singles for the state tennis tournament that begins Thursday.
Sectional champion Glenbrook North and Glenbrook South each had six players advance to state.
Deerfield junior Alexis Casati hopes to complete an undefeated season with a state singles title.
New Trier swept the top two singles and doubles spots at its own tennis sectional Saturday.
Photos from Maine South's girls tennis invitational.
Photos from the girls state tennis meet Oct. 21 - 23.
Photos from the New Trier tennis sectional Oct. 16.