Roger Federer hails Alexander Zverev after beating him to book place in ATP final four

Roger Federer hailed Alexander Zverev as the complete package after beating the German up-and-comer to book his place in the last four of the ATP Finals.

The 20-year-old Zverev showed London’s O2 Arena why he will surely become a star of men’s tennis one day but Federer’s own time is far from finished yet and his class eventually told.