U.S. Open 2026 live updates: Day 5 latest with Naomi Osaka, Coco Gauff, Alexander Zverev in action today

Hello, tennis fans! Welcome to The Athletic’s live coverage of Day 5 at the U.S. Open.

The top seed in the men’s tournament, Alexander Zverev, is back in action after surviving a five-set thriller in the opening round.

Two past champions on the women’s single side, Naomi Osaka (13) and Coco Gauff (4), will also have second-round matches at Arthur Ashe Stadium today.

Félix Auger-Aliassime (3) will aim for a second-round victory at Louis Armstrong Stadium too, as he takes on Karen Khachanov — and those are just the headliners.

Follow our live coverage for pre-match news, play-by-play commentary, sights and sounds around the grounds and insightful analysis from our tennis writers at Flushing Meadows.