But Del Potro levelled by taking the second set on a tie-brack, and when the 29-year-old secured a break of serve in the decider the red midst descended on Zverev.
In the quarterfinals, Nadal will play sixth-seeded Grigor Dimitrov of Bulgaria, who got past Sam Querrey of the USA 6-3, 7-6 (3).
The 28-year-old, ranked 50th in the world, lost the first set 6-0 to the fifth seed, and was trailing 4-0 in the second when he decided not to continue. I said to me, Okay, you're playing good.
Chester Bennington's Family Gives Blessing to Air Linkin Park's 'Carpool Karaoke' Segment
Six days before his death , though, Bennington and members of Linkin Park taped an episode of Carpool Karaoke: The Series . The sold-out tribute concert will take place on October 27 at Hollywood Bowl in California.
Federer will play Richard Gasquet in the quarterfinals.
Juan Martin del Potro of Argentina produced one of his best performances of the tennis season here on Thursday, overcoming a one-set deficit to beat third-seeded Alexander Zverev of Germany 3-6, 7-6 (5), 6-4 to reach the Shanghai Rolex Masters quarter-finals.
"I don't understand how I can lose a match where I get broken one time in three sets and not managed to get any chances on his serve", said Zverev, who is tipped to one day make world No. 1. He repeatedly smashed his racket until it was a mangled mess.
Researchers discover the fourth dwarf planet with ring
This marks the third instance in the last few years were a ring was discovered around an object that's technically not a planet. As a result, the team was able to pick up certain things about the dwarf planet, including the possibility of having a ring.
Bedene's match in Shanghai was the game that followed Grigor Dimitrov's win over Ryan Harrison. "The game where he broke me I was up 40-15 and I was just unfocused there".
"I just had to be there (on those match points)", Dimitrov said.
Fourth-seeded Marin Cilic will face Albert Ramos-Vinolas of Spain.
Aarushi Talwar murder case verdict today: All you should know
A CBI court had in 2013 sentenced the Talwars to life imprisonment for murdering their 14-year-daughter Aarushi . Her successful middle-class parents told police they were asleep in the next room when the murder was committed.