SCHENECTADY — Olivia Dartawan concentrated on defending her Section II girls’ tennis singles title point by point from the beginning of Thursday’s play. After an ace set up the Niskayuna sophomore for match point, she offered a brief fist pump, but that was probably the only emotion she displayed until she celebrated defeating Shenendehowa eighth-grader … Continue reading girls’ tennis,Niskayuna’s Dartawan defends Section, Burnt Hills duo claims doubles