"I always believed I could play on every surface" she had said after her title-run in Bucharest.
Stephens lost just four games and struck 18 winners on her way to a 6-2 6-2 victory in just 69 minutes.
"I've been playing well and it's a good start here to the US Open Series".
Then she went home to Australia for a little break before getting back to work.
Simona Halep had just enough energy left to claim a second Rogers Cup title.
"I never played against [Barty], so I don't really know what to expect", said Halep.
Bertens fell short of posting a third straight win over a seeded player after ousting Karolina Pliskova and Petra Kvitova in the last two rounds.
Sloane Stephens sent defending champion Elina Svitolina crashing out of the WTA Canada tournament in Montreal on Saturday to set up a rematch of the French Open final against Simona Halep.
Barcelona refuse to deny interest in Paul Pogba: "20 days left"
A report from RMC claims that Pogba instead wants to remain at Old Trafford, and become a leader for the next generation. Nonetheless, he is still viewed as an option for the Red Devil.
Stephens could now prepare more confidently the title defence in NY, as she said yesterday.
Australian No.1 Ashleigh Barty is just one match away from a maiden Canadian Open finals appearance after defeating Belgian Kiki Bertens in straight sets. She beat François Abanda and Carla Suarez Navarro, improving her mark against qualifiers in 2018 to 6-1, with sole loss coming in first match of the year against Giorgi at Sydney. It's obviously upsetting that I didn't win, but I think I got better than the last final we played.
Halep was not to be denied however, thumping down an ace to seal a memorable win on her next service game. I still have to play five more tournaments. "Actually when I started the tournament, I was really down with my return because I couldn't feel it".
"I felt that I'm moving better, I'm playing better, stronger. I'm happy to be back in North America and playing on hard courts, and I'm hoping for some more good results", said Stephens in an on-court interview after the match.
On Friday, Halep broke Garcia in the fifth game of the second set for a 4-1 lead and had no trouble icing the win from there. While she appeared be fresh Saturday, she said she had some problems.
"Both matches were insane good, " Halep said about the French and Rogers finals.
Barty will also be on centre court Sunday for the doubles final.
Mertens broke immediately and superbly used her backhand to save a break back chance and extend her lead to 3-0 opening up the court for her second consecutive break.