Kristina Mladenovic, Richard Gasquet and Adrian Mannarino among those confined to New York.
The three-time Slam champion says the hip feels good, and he's feeling positive about his tennis future.
No. 9-seeded Briton joins upset exodus of Top 10 seeds.
Once overlooked, Sofia Kenin AO title gives her exactly what she's craved.
The German is pleased that the trial that began in July is now a full-time arrangement.
"I really didn't felt quite prepared," former world No. 1 said.
World No. 1 Ash Barty skipped New York, but will be back in Paris to defend her crown.
