Naomi Osaka retired in the second set of the Bad Homburg Open final on Saturday due to a foot injury.

What happened?

The fourth-seeded Japanese player was trailing 6-1, 1-0 to Karolina Muchova of the Czech Republic when she pulled out.

Naomi Osaka had taken a medical timeout in the first set.

Then, after gesturing she could not continue, she walked over to shake hands with Muchova and the umpire.

Why it matters for Naomi Osaka

A four-time Grand Slam champion, the 28-year-old Osaka has never been beyond the third round at Wimbledon, which begins on Monday.

Seeded No. 14, she is scheduled to play Elsa Jacquemot in the first round.

Osaka's foot injury may affect her performance at Wimbledon.

What comes next?

It was 11th-ranked Muchova’s third career title from nine tour-level finals, and her first on grass.

The final was moved forward by two and a half hours to 11 a.m. local time to avoid the worst of the day’s heat.

Naomi Osaka told the crowd during the trophy ceremony, “I just want to say thank you to everyone who came to watch the match.”

She apologized for not being able to finish, but praised the atmosphere as “incredible the whole week.”

The Bad Homburg Open was Naomi Osaka's first grass-court final.

She will now focus on recovering from her foot injury before Wimbledon.

Naomi Osaka's retirement in the Bad Homburg Open final may impact her chances at Wimbledon.

The tournament begins on Monday, and Osaka is scheduled to play her first-round match against Elsa Jacquemot.

Osaka's fans will be waiting to see how she recovers from her injury and performs at Wimbledon.