Aljaz Bedene withdraws with injury against Alexander Zverev after just 12 minutes
Oct 12 2017 by Marjorie Miles
"Of course it's good news, and especially in this part of the season", Nadal said.
"It doesn't matter how long you are on court, (the) most important thing is be enough competitive to (handle) all the situations".
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).
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.
Federer will play Richard Gasquet in the quarterfinals.
Alexander Zverev won the first set but failed to overcome Juan Martin del Potro in the third round of the Shanghai Masters on Thursday.
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Zverev all but handed the match to del Potro when he dropped a crucial service game midway through the fifth set, hitting a cross-court backhand into the net. He repeatedly smashed his racket until it was a mangled mess. I don't know what I could have done better, but for me, in my eyes it's impossible to lose a match where I get broken one time and I still lose it.
Del Potro knew Zverev's reaction to losing serve was likely a good omen.
The victor of that match may well meet Roger Federer in the semi-finals - a man whom Del Potro downed at the US Open. "He's still very young and has to keep learning".
Gutsy Del Potro recovered from a set down to win 3-6, 7-6 (5), 6-4 against rising star Zverev and will play Viktor Troicki, after the Serb beat big American John Isner 6-4, 7-6 (4) in the final match of the day.
Fourth seed Marin Cilic of Croatia and Spain's Albert Ramos-Vinolas go head to head in the other quarterfinal.