Nadal beat Khachanov 7-6 6-4 and will now face Greek Stefanos Tsitsipas in Sunday’s final in Toronto.
Nadal is 32 and will be taking on Tsitsipas on his 20th birthday as the Spaniard looks to add to his 32 Masters 1000 titles.
He won’t find it easy though with Tsitsipas having knocked out four top ten players in Toronto.
And Nadal wants to keep going as he prepares for his his 116th ATP final.
“To win this match is important, it’s very important to be in the final of Toronto,” Nadal said.
“I’m motivated every day when I wake up, there is always something to improve.
“I want to stay around for as long as possible (in tennis).”
Nadal is current world No 1 and became the first player to book his spot at the ATP World Tour Finals during the Rogers Cup.
He has qualified for the year-end championships every season since 2005, but has only actually competed nine times and reached just two finals, losing both.
It is perhaps the only major accolade that eludes the 17-time Grand Slam champion and even last year he arrived under an injury cloud and had to withdraw after his first match.
But first comes today’s final in preparations for this year’s US Open, which begins at the end of the month.
And he is set to face a confident Tsitsipas in Toronto.
“It feels like I’m playing Davis Cup and everyone is backing me up and they’re so supportive,” Tsitsipas said.
“Four wins against top 10 players. I would never imagine that I could pull this out in a single tournament.
“I don’t know if I got lucky with all those players, but somehow it happened that I played four top 10 and managed to beat them, which is a huge achievement for me and for my game this week.
“It doesn’t matter what the score. I’m always going to attack. I’m always going to go to the ball.
“My forehand is on fire at this moment. Hopefully it can remain like this tomorrow because it will be super important for me, the win tomorrow.”
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