2015 WTA Finals – Singles
| Singles | |
|---|---|
| 2015 WTA Finals | |
| Champion |  Agnieszka Radwańska |
| Runner-up |  Petra Kvitová |
| Score | 6–2, 4–6, 6–3 |
World No. 1 Serena Williams was the three-time defending champion, but she withdrew from the tournament due to injury.
Garbiñe Muguruza, Flavia Pennetta and Lucie Šafářová made their debuts at the event.
Agnieszka Radwańska won the title, defeating Petra Kvitová in the final, 6–2, 4–6, 6–3.
For the first time since the current Round Robin format was reintroduced in 2003, both finalists advance to the final after losing two matches in the round-robin stage.
Seeds
Simona Halep (Round robin)
Garbiñe Muguruza (Semifinals)
Maria Sharapova (Semifinals)
Petra Kvitová (Final)
Agnieszka Radwańska (Champion)
Angelique Kerber (Round robin)
Flavia Pennetta (Round robin)- Lucie Šafářová (Round robin)
Alternates
Venus Williams (Not used)- Carla Suárez Navarro (Not used)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
Finals
| Semifinals | Final | ||||||||||||
| 3 |  Maria Sharapova
| 3 | 63 | ||||||||||
| 4 | Petra Kvitová
| 6 | 77 | ||||||||||
| 4 | Petra Kvitová
| 2 | 6 | 3 | |||||||||
| 5 | Agnieszka Radwańska
| 6 | 4 | 6 | |||||||||
| 2 |  Garbiñe Muguruza
| 77 | 3 | 5 | |||||||||
| 5 | Agnieszka Radwańska
| 65 | 6 | 7 | |||||||||
Red Group
 Halep
|
Sharapova
|
Radwańska
|
 Pennetta
|
RR W–L |
Set W–L |
Game W–L |
Standings | ||
| 1 | Simona Halep
|
4–6, 4–6 | 6–7(5–7), 1–6 | 6–0, 6–3 | 1–2 | 2–4 (33.3%) |
27–28 (49.1%) |
3 | |
| 3 | Maria Sharapova
|
6–4, 6–4 | 4–6, 6–3, 6–4 | 7–5, 6–1 | 3–0 | 6–1 (85.7%) |
41–27 (60.3%) |
1 | |
| 5 | Agnieszka Radwańska
|
7–6(7–5), 6–1 | 6–4, 3–6, 4–6 | 6–7(5–7), 4–6 | 1–2 | 3–4 (42.9%) |
36–36 (50%) |
2 | |
| 7 | Flavia Pennetta
|
0–6, 3–6 | 5–7, 1–6 | 7–6(7–5), 6–4 | 1–2 | 2–4 (33.3%) |
22–35 (38.6%) |
4 |
White Group
| Muguruza
|
Kvitová
|
 Kerber
|
Šafářová
|
RR W–L |
Set W–L |
Game W–L |
Standings | ||
| 2 | Garbiñe Muguruza
|
6–4, 4–6, 7–5 | 6–4, 6–4 | 6–3, 7–6(7–4) | 3–0 | 6–1 (85.7%) |
42–32 (56.8%) |
1 | |
| 4 | Petra Kvitová
|
4–6, 6–4, 5–7 | 2–6, 6–7(3–7) | 7–5, 7–5 | 1–2 | 3–4 (42.9%) |
37–40 (48.1%) |
2 | |
| 6 | Angelique Kerber
|
4–6, 4–6 | 6–2, 7–6(7–3) | 4–6, 3–6 | 1–2 | 2–4 (33.3%) |
28–32 (46.7%) |
4 | |
| 8 | Lucie Šafářová
|
3–6, 6–7(4–7) | 5–7, 5–7 | 6–4, 6–3 | 1–2 | 2–4 (33.3%) |
31–34 (47.7%) |
3 |