Roger Federer of Switzerland reacts after losing a point against Albert Ramos-Vinolas of Spain during their men's singles match at the Shanghai Masters tennis tournament in Shanghai, China, October 13, 2015. |
Top seed Novak Djokovic, fresh from winning a sixth Beijing title, begins on Wednesday against Slovakia's Martin Klizan.
Andy Murray, seeded three despite moving above Federer in the rankings, plays American Steve Johnson on Wednesday.