Defending champions Tímea Babos and Kristina Mladenovic defeated Hsieh Su-wei and Barbora Strýcová in the final, 6–1, 6–3 to win the doubles tennis title at the 2019 WTA Finals. It was Babos’ third straight title, as she also won in 2017 (partnering Andrea Sestini Hlaváčková).
| Doubles | |
|---|---|
| 2019 WTA Finals | |
| Champions |  Tímea Babos  Kristina Mladenovic |
| Runners-up |  Hsieh Su-wei  Barbora Strýcová |
| Score | 6–1, 6–3 |
Strýcová secured the year-end world No. 1 ranking by reaching the final. Aryna Sabalenka and Mladenovic were also in contention for the individual top ranking. The team of Babos and Mladenovic ended the year as the No. 1 doubles team.
The competition returned to a round-robin format for the first time since 2015.
Seeds edit
Elise Mertens / 
Aryna Sabalenka (round robin)
Hsieh Su-wei / 
Barbora Strýcová (final)
Tímea Babos / 
Kristina Mladenovic (champions)
Gabriela Dabrowski / 
Xu Yifan (round robin)- Chan Hao-ching / Latisha Chan (round robin)
- Barbora Krejčíková / Kateřina Siniaková (round robin)
Samantha Stosur / Zhang Shuai (semifinals)
Anna-Lena Grönefeld / 
Demi Schuurs (semifinals)
Alternates edit
Nicole Melichar / Květa Peschke (Did not play)
Draw edit
Key edit
- 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 edit
| Semifinals | Final | ||||||||||||
| 3 | Tímea Babos Kristina Mladenovic
| 1 | 6 | [10] | |||||||||
| 7 |  Samantha Stosur Zhang Shuai
| 6 | 4 | [8] | |||||||||
| 3 | Tímea Babos Kristina Mladenovic
| 6 | 6 | ||||||||||
| 2 | Hsieh Su-wei Barbora Strýcová
| 1 | 3 | ||||||||||
| 8 |  Anna-Lena Grönefeld Demi Schuurs
| 1 | 2 | ||||||||||
| 2 | Hsieh Su-wei Barbora Strýcová
| 6 | 6 | ||||||||||
Red group edit
 Mertens  Sabalenka
|
Babos Mladenovic
|
Chan Chan
|
Grönefeld Schuurs
|
RR W–L | Set W–L | Game W–L | Standings | ||
| 1 | Elise Mertens Aryna Sabalenka
|
6–4, 2–6, [5–10] | 7–6(7–5), 6–4 | 5–7, 6–1, [7–10] | 1–2 | 4–4 (50%) | 32–30 (52%) | 3 | |
| 3 | Tímea Babos Kristina Mladenovic
|
4–6, 6–2, [10–5] | 6–2, 5–7, [10–6] | 7–5, 6–2 | 3–0 | 6–2 (75%) | 36–24 (60%) | 1 | |
| 5 | Chan Hao-ching Latisha Chan
|
6–7(5–7), 4–6 | 2–6, 7–5, [6–10] | 2–6, 4–6 | 0–3 | 1–6 (14%) | 25–37 (40%) | 4 | |
| 8 | Anna-Lena Grönefeld Demi Schuurs
|
7–5, 1–6, [10–7] | 5–7, 2–6 | 6–2, 6–4 | 2–1 | 4–3 (57%) | 28–30 (48%) | 2 |
Purple group edit
| Hsieh Strýcová
|
 Dabrowski Xu
|
Krejčíková Siniaková
|
Stosur Zhang
|
RR W–L | Set W–L | Game W–L | Standings | ||
| 2 | Hsieh Su-wei Barbora Strýcová
|
6–2, 4–6, [9–11] | 6–2, 1–6, [10–5] | 6–4, 4–6, [10–5] | 2–1 | 5–4 (56%) | 29–27 (52%) | 1 | |
| 4 | Gabriela Dabrowski Xu Yifan
|
2–6, 6–4, [11–9] | 4–6, 2–6 | 6–4, 4–6, [5–10] | 1–2 | 3–5 (38%) | 25–33 (43%) | 4 | |
| 6 | Barbora Krejčíková Kateřina Siniaková
|
2–6, 6–1, [5–10] | 6–4, 6–2 | 3–6, 6–7(7–9) | 1–2 | 3–4 (42%) | 29–27 (52%) | 3 | |
| 7 | Samantha Stosur Zhang Shuai
|
4–6, 6–4, [5–10] | 4–6, 6–4, [10–5] | 6–3, 7–6(9–7) | 2–1 | 5–3 (63%) | 34–30 (53%) | 2 |
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-player ties, head-to-head records; 4. in three-player ties, (a) percentage of sets won (head-to-head records if two players remain tied), then (b) percentage of games won (head-to-head records if two players remain tied), then (c) WTA rankings.