Overview

• World No. 1 Jannik Sinner pulled out a day after retiring from the Cincinnati final with illness, removing his pairing with Katerina Siniakova from the draw as he prioritizes singles recovery.
• Alternates Danielle Collins and Christian Harrison filled the vacated slot and were assigned to face Belinda Bencic and Alexander Zverev.
• Play opened Tuesday on Arthur Ashe and Louis Armstrong using short sets to four, no-ad scoring, and a 10-point match tiebreak, with $1 million awarded to the champions.
• The 16-team field features headline pairings including Carlos Alcaraz with Emma Raducanu, Novak Djokovic with Olga Danilovic, Iga Swiatek with Casper Ruud, Naomi Osaka with Gael Monfils, and top seeds Jessica Pegula with Jack Draper.
• Organizers faced scrutiny over a tight lead-in that followed Monday’s Cincinnati finals, with late withdrawals and partner changes fueling concerns from doubles specialists about the event’s timing and design.