A rupture to the abdominal muscles is the reason that Naomi Osaka won't feature in the Billie Jean King Cup finals.

Osaka has been unable to build momentum in her comeback, and her first round win over Jelena Ostapenko was her first in four years over a top-10 player.

Jannik Sinner and Carlos Alcaraz survived US Open first round wobbles on Tuesday to stay on course for a semi-final showdown as two-time champion Naomi Osaka made a tearful and colourful return to Flushing Meadows.

Two-time US Open champion Naomi Osaka made a statement before she'd struck a ball in her US Open return on Tuesday

Title rivals Jannik Sinner and Carlos Alcaraz reached the Wimbledon third round on Wednesday

Naomi Osaka, playing her first Wimbledon since 2019, went down 6-4, 6-1 on Centre Court in less than an hour.

Carlos Alcaraz defeated Australia's world number 69 Aleksandar Vukic 7-6 (7/5), 6-2, 6-2 on the back of 42 winners.

Former world number one Naomi Osaka claimed her first win at Wimbledon since 2018 on Monday when she recovered from a break down in the final set to defeat Diane Parry of France.

Reigning champion Iga Swiatek will hope for an easier third round at the French Open as she turns 23 Friday after saving a match point against Naomi Osaka

Iga Swiatek said she would needed to have been "pretty naive" to think she could beat Naomi Osaka after falling match point down before recovering to win a French Open thriller.