This Week On The ATP Tour – CW32

Jannik Sinner (photo: Kathryn Riley/Cincinnati Open)

STARNBERG, August 8, 2025

The second North American ATP Masters 1000 event of the summer started on Thursday, when the biggest stars compete at the revamped Cincinnati Open.

Defending champion Jannik Sinner, World No. 2 Carlos Alcaraz and Alexander Zverev headline the field, with Top 10 stars Taylor Fritz and Ben Shelton leading US-American hopes in Ohio.

The hard-court event has undergone a major transformation, expanding to a 12-day, 96-player event in 2025, coinciding with a $260 million campus renovation.