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How to watch: From noon to 6 p.m. Eastern time on ESPN, and from 6 to 11 p.m. on ESPN2; streaming on the ESPN app.
The second round of the United States Open singles competitions starts Wednesday, and the doubles competition begins as well. While singles often claims the majority of the spotlight, the quality of doubles players assembled should draw some attention toward the field courts.
Here are some matches to keep an eye on.
Because of the number of matches cycling through courts, the times for individual matchups are merely estimates and certain to fluctuate based on the completion time of earlier play.