Taj McWilliams had a chance to tie it, but her short bank shot rolled off the rim and out of bounds with two seconds left. Chamique Holdsclaw then sealed the victory for Washington with two free throws.
The Mystics blew a 13-point second-half lead, but Holdsclaw and McCray made big plays down the stretch to save Washington. Holdsclaw, who finished with 24 points, scored six straight at one point and had a key rebound in the final minutes.
McCray scored 17 of her 24 points in the second half, including 10 in the first seven minutes of the half as the Mystics built their 13-point lead.