_____ won the women’s singles title in United States Open (US Open) Tennis Championships 2019 and became the youngest US Open champion & the first Canadian to win a Grand Slam singles title ?

1) Kirsten Flipkens
2) Bianca Andreescu
3) Belinda Bencic
4) EliseMertens

Explanation:
Bianca Andreescu, aged 19 won the Women’s Singles title, she was the first teen US Open semi-finalist in a decade. She became the first teen to win a Grand Slam title since Maria Sharapova captured the 2006 US Open and became the youngest US Open champion since Russia’s Svetlana Kuznetsova in 2004. She became the first Canadian to win a Grand Slam singles title.