2003 WTA Tour Championships

The 2003 WTA Tour Championships was the end-of-year WTA Tour championship. The top 8 women on the 2003 WTA Tour qualified to participate.
==Singles==
Serena Williams is the defending champion, but lost in the Round Robin. Kim Clijsters won the title, defeating Anastasia Myskina 6-4, 6-2 in the final.
===Seeds===
# Kim Clijsters (Champion)
# Justine Henin-Hardenne (Round Robin)
# Serena Williams (Round Robin)
# Amelie Mauresmo (Semifinals)
 Lindsay Davenport (Round Robin)
 Jennifer Capriati (Round Robin)
 Anastasia Myskina (Final)
 Chanda Rubin (Semifinals)
===Draw===
===Red Group===
===White Group===