NEW YORK: They traded groundstrokes for 88-minutes, fierce and furious, going at each other while looking for lines and angles.
At the end of the second-round encounter, however, all Ukraine's Marta Kostyuk would allow herself was a perfunctory racket tap with her opponent. Belarusian Victoria Azarenka, the three-time US Open finalist, wasn't pleased, but this wasn't a multiple-choice question.