The Vancouver native, ranked 310th in the world, misplaced 7-5, 6-4, to 53rd-ranked Qiang Wang of China on the ladies’s event in Montreal.
The 27-year-old, who returned to aggressive play this season after a five-year absence, had her serve damaged as soon as in every set and by no means managed to interrupt Wang again.
With Marino serving and the rating tied 5-5 in the primary set, the Canadian despatched her forehand into the online for the break earlier than dropping the deciding recreation.
Down 5-4 in the second set, and with Wang serving for the victory, Marino gave the house crown one thing to cheer about. She fired two forehand winners to make it 30-30 however misplaced the following two factors.
Marino, who reached a private better of No. 38 in the WTA rankings earlier than taking her five-year break, got here from behind to beat Vera Lapko of Belarus 3-6, 6-3, 6-3, on Saturday.