The 12 winners of the Qualifiers on March 6-7 next year will compete alongside the six nations that have automatically qualified for the 2020 Finals.
Here is a compilation of some of the best photos from 2021...
Serbia sealed their place in the Davis Cup quarter-finals in straightforward fashion but Britain survived another nail-biter before joining them in the last-eight on Thursday.
A day after taking down world number one Carlos Alcaraz of Spain, Felix Auger-Aliassime booked Canada's place in the Davis Cup quarter-finals on Saturday with a 6-3, 6-4 win against Serbia's Miomir Kecmanovic in the group stage tie in Valencia.
Kyrgios added that he had been in communication with Tennis Australia chief executive Craig Tiley and United Cup tournament director Stephen Farrow about his injury.
France, who were 2-0 up courtesy of Arthur Rinderknech and Adrian Mannarino, faced little resistance from Ecuador as wins for Benjamin Bonzi and the doubles pair of Pierre-Hugues Herbert and Nicholas Mahut secured victory for the 10-times champions.
Serbia and Canada both won marathon doubles matches on Saturday to seize control of their Davis Cup quarter-finals in North America.
The medals tally at the Paralympic Games in Tokyo.
Barty survived a first-round scare at the US Open on Monday
Aseem Chhabra presents his list of 10 international films that mattered to him, stories that he connected with and characters that gave him a better understanding of the human condition.
The medal tally at the 2020 Olympic Games in Tokyo.
India and the US signed a historic agreement to cooperate in civil nuclear energy sector in October 2008.
IMAGES from Day 2 of the US Open played at Flushing Meadows in New York on Tuesday.
They showed big hearts. They were unfazed by the stature of their rivals and that's what is very important. You respect your rival but don't get intimidated by his CV, says India's High-Performance Director Santiago Nieva.
Italy's Fabio Fognini said it was a 'strange feeling' playing a Davis Cup tie with no fans. Japan were also playing their tie against Ecuador in an empty stadium in Miki because of the coronavirus spread, which has played havoc with sporting fixtures across the world.
Canada beat USA to enter quarters, Argentina overpower Chile in opening tie
An important factor in India's stupendous success in 2021 was the way the government opened its coffers to support athletes.
Earlier, Ukraine took a 2-0 lead over Japan as world number five Elina Svitolina took the first point of the Billie Jean King Cup era.
Murray, playing in his first Davis Cup tie since 2016 and only five months after returning to the sport following career-saving hip surgery, clawed out a 6-7(7), 6-4, 7-6(5) victory
Rediff.com takes stock of the seeded casualties on the first day of the Australian Open.
A round-up of results from Davis Cup matches played on and Sunday
India caused a stir in Zagreb where veteran duo Leander Paes and Rohan Bopanna edged Mate Pavic and Franko Skugor in Saturday's doubles to keep alive the tie but Marin Cilic quickly doused Indian hopes with a 6-0, 6-1 win over Sumit Nagal.
A look at the records of Austria's Dominic Thiem and Spain's Rafael Nadal before their title clash at the French Open on Sunday.
Former US Open champion Juan Martin del Potro's comeback from a lengthy injury layoff was cut short by Kazakhstan qualifier Mikhail Kukushkin in the quarter-finals of the Sydney international on Thursday.
A round-up of results from Davis Cup matches played on Saturday and Sunday
Australia eased ahead of Bosnia 2-0 as John Millman thumped Damir Dzumhur 6-3, 6-2 while Alex de Minaur overcame Mirza Basic 6-3, 7-6(0), before Millman revealed the team's larger goal under captain Lleyton Hewitt.
Juan Martin del Potro's summer renaissance continued on Monday as the unseeded Argentine advanced into the US Open quarter-finals when Austrian eighth seed Dominic Thiem quit their match with an injury.
Images from Day 1 of the 2022 US Open at the USTA Billie Jean King National Tennis Center, in Flushing Meadows, New York, on Monday.
All the gold medallists from Saturday's action at the Tokyo Olympics.
Leonardo Mayer beat Joao Souza in a Davis Cup singles match that lasted a record six hours and 42 minutes.
It ended a woeful few days for reigning champions Croatia. They left with two losses.
World number one Novak Djokovic received a free pass into the third round of the U.S. Open when Jiri Vesely of the Czech Republic withdrew from their match on Wednesday due to a left forearm injury. The walkover provided the top-seeded defending champion with an extended break to improve his niggling left wrist injury before his next match against either Guido Pella of Argentina or Mikhail Youzhny of Russia.
Five-time world champion Mary Kom, returning to the ring after recovering from some niggles that kept her out of the Asian Games, prevailed 5-0 against Kazakhstan's Aigerim Kassanayeva to pick up India's lone senior category gold at the event on Saturday.
IMAGES from the matches played on Day 4 of the Wimbledon Lawn Tennis Championships at All England Lawn Tennis and Croquet Club on Thursday
Rafael Nadal to play for Spain in new Davis Cup Finals while World No 1 Novak Djokovic and Roger Federer, have already said they would support the ATP Cup -- seen as a rival team event to the Davis Cup -- when it begins in Australia just a few weeks after the ITF's flagship event.
Star gazers in India witnessed the last stage of a total lunar eclipse, the second and last one of the year on Wednesday. The moon will be below the horizon during most of the eclipse.
Serbia carved out a 2-0 lead over rivals Croatia while Britain led the US by the same score and holders Switzerland were tied with Belgium in the Davis Cup.
Rising Indian boxer Shiva Thapa (56kg) and Commonwealth Games gold-medallist Manoj Kumar(64kg) endured draining contests but came out triumphant to enter the quarterfinals on a bitter-sweet day for India in the World Boxing Championships in Almaty (Kazakhstan) on Monday.
