The American pulled no punches after a stinging loss to Shapovalov
Jennifer Brady takes on 2016 US Open champion Angelique Kerber next.
Tennis watchers at home are divided over use of computer generated crowd noise.
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.