2010 WTA Tour Championships – Singles

Kim Clijsters defeated Caroline Wozniacki in the final, 6–3, 5–7, 6–3 to win the singles tennis title at the 2010 WTA Tour Championships. It was her third and last Tour Finals singles title.

Serena Williams was the defending champion but did not participate due to injury.

Wozniacki and Vera Zvonareva were in the contention for the year-end WTA No. 1 singles ranking. They met in the semifinals and Wozniacki retained the top ranking by reaching the final.

Francesca Schiavone and Samantha Stosur made their debuts in the event.

Players
• # Caroline Wozniacki (final)

• # 🇷🇺 Vera Zvonareva (semifinals)

• # 🇧🇪 Kim Clijsters (champion)

• # 🇮🇹 Francesca Schiavone (round robin)

• # 🇦🇺 Samantha Stosur (semifinals)

• # 🇷🇸 Jelena Janković (round robin)

• # 🇷🇺 Elena Dementieva (round robin)

• # 🇧🇾 Victoria Azarenka (round robin) Notes:
 * 🇺🇸 Venus Williams had qualified but withdrew due to left knee injury
 * 🇺🇸 Serena Williams had qualified but withdrew out due to foot injury

Alternates
• # 🇨🇳 Li Na (Not Used)

• # 🇮🇱 Shahar Pe'er (Not Used)

Maroon 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.''

White 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.''