Venue: Flushing Meadows, New York Dates: 31 August-13 September
Coverage: Online radio commentary of Heather Watson, plus live radio and text commentary on every Andy Murray match and selected others.
Serena Williams and Rafael Nadal lived up to their billing with victories in the first of this year's US Open night sessions.
Top seed Williams needed just 30 minutes to begin her bid for a first calendar Grand Slam as Vitalia Diatchenko retired at 6-2 2-0 down.
Nadal, seeded eighth, saw off 18-year-old rising star Borna Coric 6-3 6-2 4-6 6-4.