Juan Martin del Potro delivers a 172 km/hour strike against Novak Djokovic in the quarter-finals on the clay of Rome.

Perfect forehand from Novak Djokovic against Kei Nishikori in Rome semifinals.

Superb half volley drop shot from Dimitrov to break Nadal in Madrid M1000 quarterfinals.

Rafael Nadal hits two almost back to back Hot Shots to get the break against Nick Kyrgios in Rome.

Great touch from Kei Nishikori to force a deciding tie-break against Novak Djokovic in Rome semifinals.

One set down, Roger Federer face a break. He finds the perfect way to save it thanks to a wonderful backhand that lets Novak Djokovic without any reaction.