Also winning consolation matches were Rachel Cantor (Short Hills, N.J.) and Sarah Viebrock (Carmel, N.Y.).
Markison defeated Army's Jessica Ahn, 6-0, 7-5, at A Singles, while Labarthe got past Sacred Heart's Kate Donnelly, 6-2, 6-3, at B Singles. Cristescu and Steinert made quick work of the St. Bonaventure's duo of Riley Archer and Meredith Haggerty, 8-0.
After falling, 6-2, 6-2, to West Virginia's Emily Mathis, Cantor bounced back with an 8-2 win over St. Bonaventure's Amanda Pallikunnel. Viebrock fell to Adela Aprodu, 7-6 (1), 6-0, before defeating Rhode Island's Jodie Greenlaw, 8-0.
West Point Eastern Tennis Invitational action continues Saturday at 9 a.m.