Rafa Nadal needed just 69 minutes to def. rising star Alexander Zverev in the round of 16 of Monte-Carlo Rolex Masters (Official)! #RoadToRG

MONACO -- On his 20th birthday, Alexander Zverev was taken to 'clay court' school by defending champ Rafael Nadal in the third round of Monte Carlo Masters.Nadal only needed 69 minutes to get past rising star Zverev in a 6-1, 6-1 comprehensive win, a far c