Simplify the following text for a Grade 6 native English-speaking person.
Original: Seles played her last professional match at the 2003 French Open , but her official retirement announcement was not issued until February 2008 .
Simplified: In the spring of 2003 , Seles sustained a foot injury that sidelined her from the tour before the 2003 French Open . She never again played an official tour match .