2004 WTA Tour Championships – Singles

Maria Sharapova defeated Serena Williams in the final, 4–6, 6–2, 6–4 to win the singles tennis title at the 2004 WTA Tour Championships. This was also the second and final time in which Sharapova defeated Williams, as she would lose their next 19 encounters.

Kim Clijsters was the two-time reigning champion, but did not qualify this year due to a long-term wrist injury.

Sharapova, Svetlana Kuznetsova and Vera Zvonareva made their debuts at the event.

Seeds
• # 🇺🇸 Lindsay Davenport (round robin)

• # 🇫🇷 Amélie Mauresmo (semifinals)

• # 🇷🇺 Anastasia Myskina (semifinals)

• # 🇷🇺 Svetlana Kuznetsova (round robin)

• # 🇷🇺 Elena Dementieva (round robin)

• # 🇷🇺 Maria Sharapova (champion)

• # 🇺🇸 Serena Williams (final)

• # 🇷🇺 Vera Zvonareva (round robin)

Note:
 * 🇧🇪 Justine Henin-Hardenne had qualified but pulled out due to cytomegalovirus.

Alternates
• # 🇺🇸 Venus Williams (Not used)

• # 🇺🇸 Jennifer Capriati (Not used)

Black Group
''Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.''

Red Group
''Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.''