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

Rafael Nadal vs Stan Wawrinka Highlights Rome Open 2015

Stan Wawrinka wows in thrilling cat-and-mouse point against Roger Federer in Indian Wells.

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

Wonderful rally between Daria Kasatkina et Marketa Vondrousova on Rome's clay.

Fabio Fognini fires a perfect backhand down the line for a winner against Jo-Wilfried Tsonga in the first round of Rome Masters 1000.