Djokovic returns to No. 1; Kenin top American woman at No. 7

vak Djokovic returned to . 1 in ATP rankings Monday after winning his eighth Australian Open title, while Sofia Kenin's first Grand Slam trophy boosted her to a career-high . 7 — and me her leing American — on WTA list.

Djokovic's 6-4, 4-6, 2-6, 6-3, 6-4 victory over Dominic Thiem in final at Melbourne Park on Sunday allowed 32-year-old from Serbia to rise one spot and move back ahe of Rafael Nal.

Nal h overtaken Djokovic in vember and, at 33, became oldest year-end . 1. But Nal lost ranking points by getting eliminated in Australian Open quarterfinals, by Thiem, one year after being runner-up to Djokovic.

This is Djokovic's 276th week leing ATP, third-most in history of computerized rankings, which began in 1970s. Roger Federer holds record of 310, followed by Pete Sampras with 286.

If Djokovic can stay at . 1 until first week of October, he will surpass Federer.

“That's one of two biggest goals, for sure,” said Djokovic, who defeated Federer in semifinals at Melbourne Park. “I mean, re is secret in that.”

or?

In rankings, Nal is . 2, Federer remained at . 3, and Thiem went up one place to . 4, with U.S. Open runner-up Daniil Medvedev sliding to . 5.

highest jump in top 100 was by Tennys Sandgren, an American who went from 100th to 44th thanks to getting to quarterfinals. He pushed Federer to brink in that round, holding seven match points, but was unable to convert one.

21-year-old Kenin, who lives in Florida, became youngest woman to win Australian Open since Maria Sharapova in 2008 by coming back to beat two-time major champion

Kenin rose eight spots and is youngest American to make her debut in top 10 since Serena Williams in 1999.

With Williams staying at . 9 after her third-round loss in Australia, Kenin moved past a player she considers an idol.

“It hasn't sunk in yet. Everything is just still a blur for me. I just can't believe what happened. Yeah, it's just great. I feel like I'm doing some great things for American tennis. It's such an hor," Kenin said Saturday.

“I've watched Serena. I've been following her, all Slams she's been winning. It's a special feeling just to be ahe of her. I'm just super excited. I can't wait to compete, be on same team with her in Fed Cup.”

United States hosts Latvia at Everett, Washington, in team competition next weekend.

Ash Barty held onto . 1 in WTA rankings after losing to Kenin in semifinals. Simona Halep, ousted at that st by Muguruza, went from . 3 to . 2, switching places with Karolina Pliskova.

Muguruza, who was unseeded at a Grand Slam tournament for first time in six years, returned to top 20, going from . 32 to . 16.

2019 champion in Melbourne, Naomi Osaka, went from . 4 to . 10 after losing in third round to 15-year-old American Coco Gauff. Making it to Week 2 in her tournament debut boosted Gauff from . 67 to . 51.