Serena Williams puts off retirement with win as Nick Kyrgios beats Thanasi Kokkinakis: US Open day one – as it happened!

• Women's singles: Serena rolls back the years with emphatic win
• Men's singles: Kyrgios makes quick work of mate Kokkinakis

*Williams 2-0 Kovini (* denotes next server)

The Montenegrin challenger rips a nice forehand winner, then continues the parade of double faults. An unforced error makes it 15-30, she finds her serve to go up 40-30. Serena fights back with a drop shot nearly as elegant as her outfit.