The 34-year-old multiple Grand Slam winner had opted out of the scheme when she was selected last in 2017 because of an injury breakdown which led to a lay-off.
FFT President Gilles Moretton said that the one-week postponement will give the health situation more time to improve and optimise the chances of welcoming spectators at Roland-Garros.
Penpix of the top women's contenders at the 2021 Australian Open
Greek second seed Stefanos Tsitsipas beat Chilean qualifier Cristian Garin to reach the fourth round of the Miami Open.
World number one Ash Barty has decided to retire from professional tennis at the age of 25 and at the peak of her game, citing the fulfilment of her tennis goals and fatigue with life on the Tour.
AELTC took the decision in the wake of Russia's invasion of Ukraine
A round-up of all tennis action on Friday.
Making their first appearance in the WTA Finals in Singapore, Sania Mirza and Cara Black outplayed Raquel Kops-Jones and Abigail Spears in their opening match to book their semi-finals berth on Thursday.
Iga Swiatek is dynamite on court and the fireworks have just started, her coach Tomasz Wiktorowski said on Saturday after the world number one clinched her second Grand Slam title at the French Open.
Organisers confirmed Osaka had withdrawn due to a left ankle injury and her opponent Sara Sorribes Tormo will now face lucky loser Nuria Parrizas Diaz.
'However, after my announcement and lengthy consultation with the WTA and USTA, I have agreed at their request to play on Friday. They offered to postpone all matches until Friday and in my mind that brings more attention to the movement. I want to thank the WTA and the Tournament for their support.'
Clijsters returned to action in February 2020 but did not win a single match and also had to undergo knee surgery in October that year
Roger Federer called on Wednesday for a merger between the men's ATP Tour and the WTA, which runs the women's circuit, as tennis wades through a lengthy coronavirus shutdown with lower-level professionals in deep financial crisis. The tennis season was suspended in March due to the COVID-19 pandemic and the hiatus will continue at least until mid-July, depriving lower-level players, who depend solely on tournament winnings, of the chance to earn a living.
The ATP said that penalties and fines would apply for abuse or misuse of the coaching conditions and that the trial will be assessed at the end of the 2022 season for potential inclusion in future.
IMAGES from Day 6 of the French Open at Roland Garros in Paris on Friday.
Former Wimbledon finalist Eugenie Bouchard has withdrawn from the 2022 Championships with no ranking points on offer.
Fritz delivers as US win inaugural United Cup crown
Former Wimbledon champion Marion Bartoli says there are big question marks about whether or not Naomi Osaka will play at the grasscourt championships this year after her withdrawal from the French Open, citing mental health issues.
Sania Mirza capped off her glorious Grand Slam career with a runners-up finish alongside 'best friend' Rohan Bopanna in the Australian Open mixed doubles final in Melbourne on Friday.
World No. 1 Novak Djokovic remained at the top of the rankings chart
Muguruza wins all-Spanish clash with Badosa at WTA Finals
Williams had signalled her intention to retire in a Vogue article in early August, saying she was "evolving away from tennis" but never confirming the U.S. Open as her final event.
An FFT statement said it had consulted with the ATP, WTA and International Tennis Federation (ITF) to allow the Roland-Garros showpiece the benefit of an extra week.
Top-seeded Naomi Osaka pulled out of her Melbourne Summer Set 1 WTA event semi-final against Veronika Kudermetova on Saturday, citing the intensity of recent games as cause for her withdrawal.
Pablo Carreno Busta rallied from a set down to defeat Hubert Hurkacz 3-6, 6-3, 6-3 in Montreal to claim the biggest title of his career at the Canadian Masters on Sunday.
Homeland favorite Ashleigh Barty and Serbia's Novak Djokovic are the top seeds for the upcoming Australian Open.
Images from Day 8 of the 2023 Australian Open at Melbourne Park on Sunday.
Serbian Dusan Lajovic beat Andy Murray at the Miami Open on Wednesday, sending the Briton packing in the first round with his first hardcourt win of the season.
Wimbledon announced that it had barred all Russian and Belarusian players from this year's championships
World number one Novak Djokovic earned his 1,000th tour-level victory by beating Casper Ruud 6-4, 6-3 on Saturday to reach the Italian Open final.
Former world number one Andy Murray said he would donate his prize money won from tennis tournaments in 2022 towards aid efforts for children affected by Russia's invasion of Ukraine.
Factbox on Japan's Naomi Osaka, who beat Victoria Azarenka of Belarus 1-6, 6-3, 6-3 to win the US Open title on Saturday.
Carlos Alcaraz downed Felix Auger-Aliassime 6-4, 6-4 to book an Indian Wells semi-final place
Jabeur advances to first WTA 100 final in Madrid in style.
Inspired Garcia goes from Cincinnati qualifier to champion
Naomi Osaka, who said at the U.S. Open that she planned to take a break from tennis, has officially pulled out of next month's BNP Paribas Open in Indian Wells.
Images from Day 3 of the 2023 French Open at Roland Garros in Paris on Tuesday.
Hubert Hurkacz battled back from a set and a break down to beat Casper Ruud 5-7 6-3 6-2 on Saturday and reach the Canadian Masters final.
Muguruza seals semi-final berth, Pliskova beats Krejcikova at WTA Finals.
Asked after the Wimbledon final about the War in Ukraine, Rybakina replied that her English was not good enough to speak about the issue.