LEARNING
Kateryna Kozlova and Jelena Ostapenko have met only once before - and the Ukrainian won the match, at 's-Hertogenbosch in 2016.
LOOK: Ready for Roland Garros - the best practice photos from Paris
Wang Qiang and Venus Williams met twice in Grand Slams last year, at Roland Garros and at Wimbledon. The American won both matches.
Venus' appearance in the 2017 Australian Open final was her first Slam title challenge since Wimbledon in 2009.
Both previous meetings between Johanna Konta and Yulia Putintseva have come on clay - and the British No.1 won both.
LOOK: All 32 French Open seeds and their best result of 2018
Kurumi Nara is seeking her first main draw win of 2018 against Barbora Strycova.
Arantxa Rus and Sloane Stephens face each other for the second time this season after their three-set thriller in Acapulco, which the American won 5-7, 7-6(6), 6-0.
TRENDING
🎾👀💪🏻🔜💕 @rolandgarros #RG18 #heretocreate @adidastennis pic.twitter.com/TbdmZ6Z15j
— Kristina Mladenovic (@KikiMladenovic) May 26, 2018
.@ElinaSvitolina at the #RG18 Kids Day pic.twitter.com/dJKhSsyqt7
— Jimmie48 Photography (@JJlovesTennis) May 26, 2018
Merci à tous pour cette belle énergie positive !
Un plaisir d’être de retour à @rolandgarros 🙏🏻🙌🏻😊🇫🇷🎾💙🦁#FlyWithCaro #NoPasaNada #RG18 pic.twitter.com/O0DExJblWE— Caroline Garcia (@CaroGarcia) May 26, 2018
#Tbt to when @rolandgarros was on court for me and not off court but 🔜 I will get 🔙 there!!! #teamwork #patience #Hardwork #dedication #Passion pour cette année, RG sera off court pour moi mais bientôt je l espère je pourrai le rejouer #rg18 pic.twitter.com/QBmdSvikJC
— Marion bartoli (@bartoli_marion) May 26, 2018
READING
Defending French Open champion Jelena Ostapenko is a hero at home in Latvia, according to Christopher Clarey's profile in the New York Times.
World No.1 Simona Halep continues her quest for her first Grand Slam title in Paris this fortnight; she talked to Sports Illustrated's Jon Wertheim about it.
Two-time Wimbledon champion Petra Kvitova has had a remarkable last 18 months. She told ESPN's Bonnie Ford about her recovery from a knife attack.
Naomi Osaka - "the cool kid of tennis" - is profiled by Kevin Nguyen in GQ.
Want to find out about this year's Roland Garros debutantes? Check out wtatennis.com's overview.
ORDER OF PLAY
Find out who's playing on Sunday at Roland Garros.
WATCHING
Halep and coach Darren Cahill talk about the Romanian's rise to the top of the rankings.