However Zverev executed big serves and big groundstrokes to race to a 6-4, 2-2 lead.
The German then broke Nadal's serve after striking a down the line forehand volley winner followed by a down the line
forehand winner to lead 3-2 in set two.
Then standing much closer to the wall behind him than to the baseline in front of him, Nadal committed two forehand return errors
to trail 30-0.
Serving ahead 40-15, Zverev pounded an ace down the tee to hold serve and lead 4-2.
Nadal then rebounded from 15-40 after striking an overhead winner along with several backhand errors from Zverev to hold
serve to reach 3-4.
Serving ahead 4-3, Zverev struck a powerful crosscourt swinging forehand volley winner which he followed up with an overhead
winner as well as a crosscourt backhand winner to lead 40-30. The German then struck an inside out crosscourt forehand winner to hold
serve and lead 5-3.
Nadal then recovered from a doublefault at 30-15 to strike a down the line forehand winner enroute to holding serve to reach 4-5.
Serving for the match at 15 all, Zverev struck a crosscourt forehand winner which he followed up with a down the line forehand winner
to reach matchpoint at 40-15.
Nadal would net a crosscourt forehand to end the match after one hour and 44 minutes of play.
The tall German screamed then waved and applauded to the Spanish crowd.
Nadal, the winner at last week's tournament in Barcelona, as well gave several waves to the crowd as he left the court.
An off day for the 13 time Roland Garros champion Nadal would prove to be no match for the aggressive power tennis from Zverev.
In tomorrow's semifinals, Zverev faces the third seeded Domic Thiem of Austria.
Thiem; who defeated the 6 feet 10 inches tall American John Isner today 3-6, 6-3, 6-4 also in the quarterfinal round, leads Zverev
head to head 8-2.