The Spaniard bat his Canadian opponent 6-4 7-6 (9-7) 6-4. He now faces 15th seed Grigor Dimitrov on Friday.
Nadal seems to have overcome his injuries that are plaguing him in recent years and have prevented him from defending any of his title.
If all goes well, Nadal may regain his 2009 title by defeating 35 years old roger Federer who plays his semi against fellow countryman Stan Wawrink on Thursday.
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