Serena Wimbledon
Serena Williams makes a return to Venus Williams during their singles match at Wimbledon. (AP Photo/Alastair Grant)

MADRID (AP) — Serena Williams will miss the Madrid Open because of illness.

The tournament says Williams won’t be able to play at the tournament that starts this weekend because of a fever that has left her feeling “less than 100 percent.”

-Serena Williams Gives Twerking Lessons, The Internet Rejoices

Williams won the Madrid Open in 2012 and 2013.

Agnieszka Radwanska will take William’s place as the top-seeded player.

Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.