The impossible lob striked by Carlos Berlocq against Hernandez-Fernandez in Santo Domingo Challenger.

Roger Federer perfect combination against Kei Nishikori in Shanghai.

Perfect defense from Roger Federer against Kei Nishikori in Shanghai.

Alexander Zverev hits perfect defensive backhand winner against Kyle Edmund in Shanghai.

Roger Federer hits perfect crosscourt forehand against Roberto Bautista Agut in Shanghai.

Where does this rally come from ? Both Roger Federer and Daniil Medvedev did everything perfectly but what about the conclusion from the Russian. Amazing !