Third up on Court Philippe Chatrier is the start of Iga Swiatek's campaign as two-time defending champion at Roland Garros.
But perhaps it is the year that the Pole has been under the most pressure. With the emergence of a new Big Three of sorts in Aryna Sabalenka and Elena Rybakina joining her, she is under threat as World No.1.
As well as not having it as easy when it comes to winning on clay anymore. Still a formidable force and the outright favourite for the title, it will be up to Spaniard, Cristina Bucsa to attempt to stop her.
But she didn't do a very good job early on at the Australian Open with a 6-0, 6-1 win for Swiatek earlier this year. Likely similar here.
While from one clay court specialist to one that is becoming one in the most unlikely story in men's tennis. Daniil Medvedev has spoken for a long time about his hatred of clay court tennis.
But has since this season won multiple big titles and after winning Miami, Jannik Sinner sent out a warning that clay is next and he delivered with Rome going the way of the Russian.
He comes into this tournament as the main threat to Novak Djokovic and Carlos Alcaraz which is a sentence many wouldn't have expected before.
A quarter-final is his best in this tournament previously and he starts against Thiago Seyboth Wild who after early promise emerging alongside Carlos Alcaraz has battled off court issues and has not kicked on.
But is only 23 so time is on his side and battled through qualifying after relative success on the Challenger Tour this season.
Next up is Wimbledon champion, Elena Rybakina who comes straight from Rome to Roland Garros after beating Swiatek and also returning to form after losing early in Madrid.
Rybakina heads towards her Wimbledon title defence emerging finally as the World No.4 she should've had last summer as well as the acclaim.
How will she handle the pressure of being in this so called Big Three? Well it all starts against a player who is seen as the future albeit not having had the early success of her sister.
Brenda Fruhvirtova is part of the sister duo alongside Linda Fruhvirtova who has made all the headlines over the past 18 months and forms part of two sister duos in action with the Andreeva sisters the latest on the conveyer belt.
But can she trouble Rybakina or will it be a routine win for the Kazakh. They have never faced off so it is a first time meeting.
Also a first time meeting and surprisingly so is the main first round tie between two Grand Slam champions in Bianca Andreescu and Victoria Azarenka.
One of only two Grand Slams that Azarenka has never made a final in, while for Andreescu if she wins through, it is equalling a twice reached mark of the second round.
Andreescu has just returned from her horrific injury in Miami, but there is a caveat to this tie meaning the Canadian may find it simpler than on paper.
Azarenka herself has not been in any form with only victories over Sloane Stephens in first rounds in recent months withdrawing from her second round in Rome and being defeated by Alycia Parks and Anna Kalinskaya also in recent months.
A player not on form and so on paper, a popcorn tie but also one where both players are desperate for matches.
Ruud, Gauff, Jabeur, Zverev, Rune and Fritz all in action
Among those on Chatrier too alongside Swiatek and Medvedev are Ons Jabeur who faces Lucia Bronzetti, Gael Monfils also headlines in potentially his final French Open against Sebastian Baez.
Coco Gauff, Casper Ruud, Anhelina Kalinina, Holger Rune and Alexander Zverev all headline the outside show courts with Taylor Fritz shunted all the way down to Court 13.
Both Andreeva sisters also begin their campaigns in Erika and Mirra Andreeva in a packed day in Paris.
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