Gilles Simon's superb reflexe volley against Ernests Gulbis in Basel.

Roger Federer and Stan Wawrinka are getting ready in Basel. They practised together on Sunday. Federer will begin against Krajinovic and Wawrinka against Mannarino.

Stefanos Tsitsipas backhand jewel to break Novak Djokovic in Toronto.

Elias Ymer breaks a string and get through this with great touch against Maximilian Marterern Stockholm

Roger Federer fires two huge backhands against Juan Martin Del Potro in Shanghai.

Watch how Novak Djokovic battled through shoulder pain to beat Juan Ignacio Londero in US Open second round.