2018 Tianjin Open – Doubles
# 2018 Tianjin Open – Doubles

Irina-Camelia Begu and Sara Errani were the defending champions, but Errani is serving a doping suspension. Begu played alongside Barbora Krejčíková, but they lost in the quarterfinals to Han Xinyun and Darija Jurak.

Nicole Melichar and Květa Peschke won the title, defeating Monique Adamczak and Jessica Moore in the final, 6–4, 6–2.

## Seeds

* Irina-Camelia Begu / Barbora Krejčíková (quarterfinals)
* Gabriela Dabrowski / Xu Yifan (withdrew)
* Nicole Melichar / Květa Peschke (champions)
* Kaitlyn Christian / Desirae Krawczyk (first round)

## 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

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | I-C Begu B Krejčíková | 6 | 6 | | | | | | | | | | | | | | | |
| WC | Y Liu M Wang | 2 | 0 | | 1 | I-C Begu B Krejčíková | 4 | 6 | [8] | | | | | | | | | |
| | S Santamaria Y Sizikova | 2 | 1 | | | X Han D Jurak | 6 | 4 | [10] | | | | | | | | | |
| | X Han D Jurak | 6 | 6 | | | | | | | | X Han D Jurak | 4 | 6 | [5] | | | | |
| 4 | K Christian D Krawczyk | 2 | 6 | [4] | | | | | | | M Adamczak J Moore | 6 | 1 | [10] | | | | |
| | L Arruabarrena T Bacsinszky | 6 | 4 | [10] | | L Arruabarrena T Bacsinszky | $6^3$ | $1^r$ | | | | | | | | | | |
| | M Adamczak J Moore | 6 | 1 | [10] | | M Adamczak J Moore | $7^7$ | 2 | | | | | | | | | | |
| | Y Duan Y Wang | 4 | 6 | [8] | | | | | | | | | | | | M Adamczak J Moore | 4 | 2 |
| | M Doi E Wacanno | 6 | 6 | | | | | | | | | | | | 3 | N Melichar K Peschke | 6 | 6 |
| | X Jiang Q Tang | 4 | 4 | | | M Doi E Wacanno | 3 | 5 | | | | | | | | | | |
| | E Rodina A Tomljanović | 3 | 6 | [6] | 3 | N Melichar K Peschke | 6 | 7 | | | | | | | | | | |
| 3 | N Melichar K Peschke | 6 | 4 | [10] | | | | | | 3 | N Melichar K Peschke | 4 | 6 | [10] | | | | |
| WC | H Guo L Zhu | 5 | 3 | | | | | | | | N Dzalamidze V Kudermetova | 6 | 3 | [6] | | | | |
| | J Cako P Thombare | 7 | 6 | | | J Cako P Thombare | 4 | 4 | | | | | | | | | | |
| | N Dzalamidze V Kudermetova | $7^7$ | 1 | [10] | | N Dzalamidze V Kudermetova | 6 | 6 | | | | | | | | | | |
| Alt | A Raina E Webley-Smith | $6^4$ | 6 | [5] | | | | | | | | | | | | | | |
