Kenin, the Australian Open champion and French Open runner-up in 2020, wrote about the switch on Instagram on Friday.
Swiatek, now ranked 17, admitted her life changed with victory at Roland Garros, going from a largely unknown teenager to celebrity status as the youngest woman to win in Paris since Monica Seles in 1992.
Year in Review 2020, Biggest Sports Stories: Teenager Iga Swiatek wins French Open without dropping a set
Iga Swiatek became the first Polish player, male or female, to win a grand slam singles title when she lifted the Suzanne Lenglen trophy in Paris.
Swiatek said on Twitter that she has no symptoms but that she'll quarantine due to protocols. She said she gets tested regularly and will be tested again in three days.
Rafael Nadal has never won the Paris Masters in his career. This year, the tournament is scheduled to run from 2-8 November.
Two days after being swept aside in the Roland Garros final, Djokovic made a trip to Visko's Valley of the Pyramids and its 25,000-year-old tunnels beneath whose "energy" is claimed to bring about miracle cures.
French Open winner Iga Swiatek urges athletes to 'try and see' how working with sports psychologists could boost performance
The 19-year-old Swiatek said Wednesday she drew a lot of support and strength from her work with sports psychologist Daria Abramowicz, who was with her during the two weeks of the Paris tournament.
Novak Djokovic seeks solace at Bosnia's 'energy pyramids' after suffering defeat in French Open final
Novak Djokovic is known for unorthodox and sometimes controversial new-age spiritual views and practices.
On Sunday, the Scot watched in awe as Nadal, 34, demolished Novak Djokovic 6-0, 6-2, 7-5 in the final at Roland Garos to win his 13th French Open title.
"Winning is what you play for," said Nadal. "Beyond the victory, there is an even greater personal satisfaction because at certain times I have had to make sacrifices to achieve the goal."
French Open winner Iga Swiatek breaks into top 20 for first time; Novak Djokovic retains top spot in ATP rankings
Argentina's Diego Schwartzman, who made the semi-finals in Paris, moves up six places to a career-high eighth and breaks into the top 10 rankings for the first time.
For a creature of habit, Rafael Nadal overcame multiple new factors at an October French Open to triumph once again. For a staggering 13th time.
Nadal, 34, claimed his 100th match win at Roland Garros against just two defeats since his 2005 debut. The Spaniard, the oldest champion in Paris since Andres Gimeno in 1972, claimed the title without dropping a set.
French Open 2020: Novak Djokovic says he's learnt lessons in ‘greatest of defeats’ to Rafael Nadal in final
The Serb, a 2016 champion in Paris, was denied in his bid to become the first man in half a century to win all four Slams twice as he lost 6-0, 6-2, 7-5 in his 56th meeting with Nadal.
'Well done Rafa, you deserve it': Roger Federer pays Twitter tribute to Rafael Nadal after record 2020 French Open win
Here's how Twitter reacted to Spanish tennis icon Rafael Nadal's record-extending win over Novak Djokovic at the 2020 French Open final!
French Open 2020: Rafael Nadal ties Roger Federer at 20 Slams by beating Novak Djokovic for 13th Roland Garros title
Nadal equaled long-time rival Federer for the most major singles tennis championships won by a man and added to his own record at Roland Garros with No. 13 on the red clay
This is Babos and Mladenovic's fourth Grand Slam doubles title together. The pair also won at Roland Garros last year.
Swiatek, 19, ensured her place in history as Poland's first major singles champion on Saturday, becoming the ninth woman in 14 tournaments to secure her maiden Slam title.
French Open 2020, Novak Djokovic vs Rafael Nadal, Men's Final Match Highlights: Nadal wins 13th Roland Garros title
Novak Djokovic takes on Rafael Nadal in the final of French Open 2020. Follow live score and updates from the last day of Roland Garros.
At the French Open, Rafel Nadal has a 6-1 advantage over Novak Djokovic, including wins in the 2012 and 2014 finals.