Victoria Azarenka stuns Serena Williams to enter US Open final

Belarusian continues remarkable season to set up title clash with Naomi Osaka

Serena Williams has her ankle taped by a trainer during a medical timeout during the US Open semi-final against Victoria Azarenka. AP

Serena Williams after her defeat to Victoria Azarenka in the US Open semi-finals. AP

Victoria Azarenka hits a forehand against Serena Williams. USA TODAY Sports

Serena Williams lost to Victoria Azarenka after winning the first set. AP

Serena Williams during her US Open semi-final defeat to Victoria Azarenka. AP

Victoria Azarenka is enjoying a good 2020 on the court. AP

Victoria Azarenka after her win over Serena Williams. USA TODAY Sports

Naomi Osaka before her semi-final against Jennifer Brady. AP

Naomi Osaka defeated Jennifer Brady to enter the US Open final. AP

Victoria Azarenka came from a set down to defeat record-chasing Serena Williams and set up a US Open final against Japan's Naomi Osaka.

Azarenka recovered from a 6-1 hammering in the first set to win the next two 6-3, 6-3 and enter her first Grand Slam final appearance in seven years.

The former world No1 is enjoying a remarkable renaissance in New York that the Belarusian credits to finding humility, following several years disrupted by injury and a custody battle over her son.

"I think when you're coming up from kind of nothing, then you become a number one player in the world, sometimes you can start to think you're invincible and that you're better than everybody, and it's not true," Azarenka said.

"So the ego starts to grow. It's very hurtful when it gets damaged. Instead of getting the ego damaged, I tried to remove that and learn from my mistakes," she added.

After a first set plagued by double faults and unforced errors, Azarenka turned the tide in the second, upping her service game and getting more returns in play as she began to dictate lengthy rallies.

"I knew I needed to step up with my aggression, play a little smarter, play with a little bit more width of the court and bring the intensity up," Azarenka explained.

Her last appearance in a Grand Slam final came in the US Open in 2013 when Williams beat her.

Azarenka also suffered a heartbreaking loss to Williams in the 2012 US Open final, when she served for the match at 5-3 in the third set only to lose 7-5.

Azarenka was determined that history would not repeat itself. Serving for the match, she hit a double fault before smashing her fastest serve of the night at 109 mph.

When Williams then challenged and lost an ace that was called in on the next point, it was Azarenka's match.

"I've been there before. Today was gonna be different," Azarenka said.

Williams said she started the match "really strong."

"[But] then she just kept fighting. She just changed and started playing better and better. Maybe I took a little too much off the gas pedal at some point," the American added.

The 31-year-old's march to the US Open final comes after she claimed last month's Western and Southern Open tune-up event in New York.

She faces a formidable opponent in two-time Grand Slam winner and fourth seed Naomi Osaka, who defeated 28th seed Jennifer Brady 7-6 (7/1), 3-6, 6-3.

Osaka walked onto the court wearing a facemask emblazoned with the name of Philando Castile, a black man who was shot dead by a police officer during a traffic stop in Minnesota in 2016.