2006 WTA Tour Championships – Singles

Justine Henin-Hardenne defeated the defending champion Amélie Mauresmo in the final, 6–4, 6–3 to win the singles tennis title at the 2006 WTA Tour Championships. It was her first Tour Finals title. Henin-Hardenne also secured the year-end world No. 1 ranking by reaching the final.

Seeds
* As of October 30, 2006. • # 🇫🇷 Amélie Mauresmo (final)

• # 🇷🇺 Maria Sharapova (semifinals)

• # 🇧🇪 Justine Henin-Hardenne (champion)

• # 🇷🇺 Svetlana Kuznetsova (round robin)

• # 🇷🇺 Nadia Petrova (round robin)

• # 🇧🇪 Kim Clijsters (semifinals)

• # 🇷🇺 Elena Dementieva (round robin)

• # Martina Hingis (round robin)

Alternates
• # Patty Schnyder (not used)

• # 🇷🇺 Dinara Safina (not used)

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.''

Yellow 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.''