2007 WTA Tour Championships – Singles
| Singles | |
|---|---|
| 2007 WTA Tour Championships | |
| Champion | Justine Henin |
| Runner-up | Maria Sharapova |
| Score | 5–7, 7–5, 6–3 |
| Draw | 8 (RR + elimination) |
| Seeds | 8 |
Defending champion Justine Henin defeated Maria Sharapova in the final, 5–7, 7–5, 6–3 to win the singles tennis title at the 2007 WTA Tour Championships. The final lasted 3 hours and 23 minutes, the longest best-of-three-sets final in WTA Tour history.
Jelena Janković, Ana Ivanovic, Anna Chakvetadze and Marion Bartoli (as an alternate replacing Serena Williams) made their debuts at the event.