Elena Rybakina put on a brilliant performance to defeat favourite Aryna Sabalenka 64, 46, 64 and lift her first Australian Open trophy.
Croatia became the first team to win the mixed-gender team competition following the tournament's return to the tennis calendar after a four-year absence.
World number one Carlos Alcaraz marked his return to action following his Wimbledon triumph with a battling 4-6, 6-4 (10-8) win over David Goffin in their Hopman Cup clash on Friday but could not prevent Spain from losing 2-1 to Belgium.
Croatia's Borna Coric and Donna Vekic outlasted Spain's Carlos Alcaraz and Rebeka Masarova 1-6, 6-4 (14-12) in their Hopman Cup mixed doubles rubber on Saturday to secure a 2-1 victory that earned them a spot in the final against Switzerland.
India are the fourth team to be confirmed for the 20th edition of the Hopman Cup mixed tennis tournament starting in Perth on Dec. 29, event director Paul McNamee announced on Tuesday.
Kristina Mladenovic and Richard Gasquet beat Coco Vandeweghe and Jack Sock of the United States on Saturday to win France's second Hopman Cup title in Perth.
In the clash of legends, Roger Federer got the better of Serena Williams in their historic clash in the mixed doubles at the Hopman Cup in Perth on Tuesday.
Williams reached the final of the mixed team event earlier this year with American compatriot John Isner to kick off a superb season where she won the Australian and French Opens and Wimbledon to take her grand slam singles haul to 21.
The winner will be given an entry into the main draw of the Hyundai Hopman Cup in Australia.
Slovakia clinched a place in the Hopman Cup final for the second successive year after they beat the Netherlands 3-0.
World No 1 Serena Williams retired from her Hopman Cup match against Australian Jarmila Wolfe on Tuesday with a knee injury barely two weeks before launching her bid for a seventh Australian Open title.
Switzerland won their third Hopman Cup on Saturday as Roger Federer and Belinda Bencic beat Germany's Alexander Zverev and Angelique Kerber 4-3(3), 4-2 in the deciding mixed doubles to secure a 2-1 victory in the final at the Perth Arena.
Indian hopes of making the final of the Hopman Cup ended when the United States defeated Australia to top Group B.
Roger Federer will kick off his 20th season as a professional at the Hopman Cup next year, returning to the international team tournament in Perth for the first time since he teamed up with his now wife Mirka in 2002.
France set up Saturday's Hopman Cup final with Poland after Alize Cornet and Jo-Wilfried Tsonga beat defending champions Spain 3-0 in the mixed teams event on Friday.
Agnieszka Radwanska showed why she should be considered among the favourites for the Australian Open later this month by beating world number one Serena Williams in the final of the Hopman Cup in Perth on Saturday.
Jo-Wilfried Tsonga powered France to their first Hopman Cup title against tournament debutants Poland on Saturday.
Venus Williams will make her Hopman Cup debut in Perth later this year, partnering John Isner to represent the United States in the mixed international tournament, organisers said on Wednesday.
The former world No.1 told organisers of the Perth event that she wants to concentrate on defending her title at the Australian Open.
Nadia Petrova and Dmitry Tursunov ensured a 2-0 victory over Spain in the final.
The United States beat the Netherlands 2-1 to claim their third Hopman Cup title in four years.
Germany's Nicolas Kiefer had his Australian Open preparations thrown into disarray after injuring his ankle during his Hopman Cup clash against Slovakia's Dominik Hrbaty in Perth on Thursday.
Spain secured a surprise victory in the Hopman Cup with a comeback triumph against Serbia in the final of the mixed teams event in Perth on Saturday. Fernando Verdasco and Anabel Medina Garrigues beat the more fancied pairing of Novak Djokovic and Ana Ivanovic 6-4, 7-5 in the deciding mixed doubles to secure a 2-1 win.
Tommy Robredo proved size is not everything in tennis, cutting towering American John Isner down to size to give Spain a 3-0 victory in their opening Hopman Cup encounter on Sunday.
Jo-Wilfried Tsonga will make his Hopman Cup debut in Perth at the end of the year in what organisers boast will be the strongest ever field assembled for the mixed international tournament.
The United States booked their place in the Hopman Cup final by moving into an unassailable 2-0 lead over Australia in their Group B match.
Coming off a fruitful year which yielded two grand slam titles, world number two Federer looked fit and sharp while other members of tennis's 'Big Four' are grappling with injury issues.
Fernando Verdasco fought off a valiant effort by former world number one Lleyton Hewitt to help Spain get a 2-1 win over hosts Australia in the Hopman Cup on Sunday.
Taiwan held off a spirited Thailand to win the Asian Hopman Cup mixed team event on Sunday and earn a place in next month's tournament proper in Perth.
Rohan Bopanna and Sania Mirza won their singles matches to give India a 2-0 lead over China.
Canadian teenager Eugenie Bouchard swatted aside an out-of-sorts Serena Williams 6-2, 6-1 at the Hopman Cup in Perth on Tuesday.
The three-times Wimbledon champion will partner Taylor Dent for the United States at the Dec. 29-Jan. 5 event in Perth's Burswood Dome.
The top seeds scored a 3-0 whitewash of France to make the grade.
Nick Kyrgios continued his impressive run of form ahead of this month's Australian Open by powering the host nation to the mixed-team Hopman Cup title against Ukraine in Perth on Saturday.
Australian Open champion Novak Djokovic suffered an injury scare at the Hopman Cup on Monday when the world No1 hurt his leg as fans pushed towards him while he signed autographs.
?Andy Murray's preparations for this month's Australian Open suffered a setback on Wednesday when the world number two went down in straight sets to local favourite Nick Kyrgios at the Hopman Cup in Perth.
World No. 1 Caroline Wozniacki arrived in Australia four hours before her match but shrugged off her less than perfect preparations to make a winning start at the Hopman Cup on Monday.
Summary of sports events and persons who made news on Saturday
