The 2026 US Open tournament continues into its fifth day with a busy schedule of play across the Arthur Ashe, Louis Armstrong, and Grandstand stadiums. The day’s events are slated to begin at 11:00 am local time, with major matches featuring several top-ranked international players.

On Arthur Ashe Stadium, Naomi Osaka (seeded 13th) is scheduled to face Katerina Siniakova, followed by a match between Taylor Fritz and Mattia Bellucci. The Louis Armstrong Stadium will host Felix Auger-Aliassime, the tournament's third seed, in a contest against Karen Khachanov, alongside a match between Oleksandra Oliynykova and Alexandra Eala.

The Grandstand court features Iga Swiatek, seeded 8th, playing against Nadia Podoroska. Other notable matches on the Grandstand include Amanda Anisimova facing Lilli Tagger, and Alex de Minaur, the 6th seed, playing against Botic van de Zandschulp. Additionally, Madison Keys (seeded 22nd) is scheduled to play Anna Bondar on Stadium 17.

While the schedule provides a clear roadmap for the day's events, the provided source serves primarily as a live-blogging entry point rather than a comprehensive analysis of the tournament's broader narrative or player performance trends. The reporting focuses strictly on the logistical order of play for the day's participants.