The new tournament's first 14 pairs are set, with wild cards for a suite of singles stars — and the defending doubles champions.

Venus Williams’ comeback is headed to the U.S. Open next month. She will enter the redesigned mixed doubles tournament with Reilly Opelka via a wild-card entry.

Venus Williams, who made a comeback last week after more than a year’s hiatus from competitive tennis, will compete alongside Reilly Opelka in mixed doubles at the US Open. Williams, a seven-time Grand Slam singles champion who turned 45 last month,