First-round action in Guangzhou pits Paula Badosa's coaching transition against qualifiers in rhythm, while Tatiana Prozorova returns from a bizarre concussion withdrawal.

An all-Australian clash between Daria Kasatkina and Talia Gibson opens the main draw in Tokyo alongside Moyuka Uchijima's bid for revenge against Elise Mertens.

All-American fireworks and an Italian derby headline Saturday in Lyon. Taylor Fritz faces Tommy Paul for Turin points, while Flavio Cobolli tests Lorenzo Musetti's midnight legs.

All-American fireworks as Ann Li meets former Osaka champion Ashlyn Krueger, while Katie Boulter's grit collides with Katerina Siniakova's net-rushing resurgence.

World No. 1 Elena Rybakina puts her Ningbo title defense on the line against Diana Shnaider's tricky lefty slice, while Leylah Fernandez tests her remaining gas tank against a well-rested Marie Bouzkova.

Quarterfinal Friday in Brussels pits a completely fresh Arthur Fils against a dialed-in Alex Michelsen, while qualifier Clement Chidekh tests his indoor surge against Francisco Cerundolo.

Stan Wawrinka tests 20-year-old Martin Landaluce in the Lyon first round, while 17-year-old Moise Kouame takes a swing at Lorenzo Musetti in the second.

David Goffin plays what could be his final singles match against Remy Bertola, while lucky loser Martin Damm tests Francisco Cerundolo in Brussels.

Teenage firepower collides as Tereza Valentova meets Lilli Tagger, Katie Boulter takes on Viktorija Golubic's slice, and Ashlyn Krueger replays her Wuhan comeback against Lanlana Tararudee.

Elise Mertens brings her giant-killing Beijing form into a tricky opener against Leylah Annie Fernandez, while Alexandra Eala and Diane Parry try to stop their recent skids.