Andy Murray served up a classic under the lights in New York defeating Nick Kyrgios in four sets 7-5 6-3 4-6 6-1 to progress to the second round to face Adrian Mannarino of France.
The second seed Roger Federer steamed passed Leonardo Mayer in only 77 minutes 6-1 6-2 6-2. The fifth seed Stan Wawrinka was to strong for Albert Ramos-Vinolas 7-5 6-4 7-6.