Bianca Andreescu is the women's singles champion of the US Open. The Mississauga 19 year old made history when she defeated Serena Williams 6-3, 7-5.

Although Williams mounted a spirited comeback in the second set after trailing 5-1, the outcome of the match was never really in doubt.

The moment has arrived!

Bianca Andreescu wins the first Grand Slam title of her career, defeating Serena Williams 6-3, 7-5.#USOpen | #WomenWorthWatching pic.twitter.com/slAVtj5QWz

— US Open Tennis (@usopen) September 7, 2019

Andreescu broke Williams in the first game of the match and again broke the 23 time Grand Slam champion's serve to take the first set.

A humble and graceful champion.

😍 @Bandreescu_ 😍#USOpen | #WomenWorthWatching pic.twitter.com/vIW84lmWw2

— US Open Tennis (@usopen) September 7, 2019

Andreescu has had a magical run this year with tournament victories at the Rogers Cup in Toronto and Indian Wells and holds the best record on the women's tour with 45 wins and only 4 losses.

Teen queen 💋#USOpen | #WomenWorthWatching pic.twitter.com/yKyucG6AtE

— US Open Tennis (@usopen) September 7, 2019

The previous Canadian to appear in a Grand Slam single's title game was Milos Raonic who lost to Andy Murray at Wimbledon in 2016.