2018 Jin'an Open – Doubles
| Doubles | |
|---|---|
| 2018 Jin'an Open | |
| Champions |  Harriet Dart  Ankita Raina | 
| Runners-up |  Liu Fangzhou  Xun Fangying | 
| Score | 6–3, 6–3 | 
Jiang Xinyu and Tang Qianhui were the defending champions, but they lost in the first round to Gai Ao and Zheng Wushuang.
Harriet Dart and Ankita Raina won the title after defeating Liu Fangzhou and Xun Fangying 6–3, 6–3 in the final.
Seeds
 Aleksandrina Naydenova / Aleksandrina Naydenova / Makoto Ninomiya (first round) Makoto Ninomiya (first round)
 Jiang Xinyu / Jiang Xinyu / Tang Qianhui (first round) Tang Qianhui (first round)
 Harriet Dart / Harriet Dart / Ankita Raina (champions) Ankita Raina (champions)
 Guo Hanyu / Guo Hanyu / Karman Thandi (semifinals) Karman Thandi (semifinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Draw
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  A Naydenova  M Ninomiya | 6 | 3 | [11] | |||||||||||||||||||||||
|  F Liu  F Xun | 4 | 6 | [13] |  F Liu  F Xun | 3 | 6 | [10] | ||||||||||||||||||||
|  S Xu  Y Zhang | 6 | 6 |  S Xu  Y Zhang | 6 | 4 | [7] | |||||||||||||||||||||
|  X Sun  Q Zhao | 2 | 3 |  F Liu  F Xun | 6 | 64 | [10] | |||||||||||||||||||||
| 4 |  H Guo  K Thandi | 6 | 6 | 4 |  H Guo  K Thandi | 3 | 77 | [6] | |||||||||||||||||||
| WC |  Yi Yuan  W Zhu | 2 | 0 | 4 |  H Guo  K Thandi | 2 | 6 | [11] | |||||||||||||||||||
|  M Minokoshi  E Sema | 6 | 6 |  M Minokoshi  E Sema | 6 | 3 | [9] | |||||||||||||||||||||
| WC |  Y Liu  M Wang | 2 | 0 |  F Liu  F Xun | 3 | 3 | |||||||||||||||||||||
|  S Guo  Z Wei | 3 | 4 | 3 |  H Dart  A Raina | 6 | 6 | |||||||||||||||||||||
|  B Gumulya  J Rompies | 6 | 6 |  B Gumulya  J Rompies | 5 | 6 | [8] | |||||||||||||||||||||
|  N Kukharchuk  E Webley-Smith | 4 | 3 | 3 |  H Dart  A Raina | 7 | 2 | [10] | ||||||||||||||||||||
| 3 |  H Dart  A Raina | 6 | 6 | 3 |  H Dart  A Raina | 2 | 7 | [10] | |||||||||||||||||||
|  J Chen  X You | 4 | 68 |  S Feng  J Kang | 6 | 5 | [5] | |||||||||||||||||||||
|  S Feng  J Kang | 6 | 710 |  S Feng  J Kang | 6 | 3 | [14] | |||||||||||||||||||||
|  A Gai  W Zheng | 4 | 77 | [10] |  A Gai  W Zheng | 4 | 6 | [12] | ||||||||||||||||||||
| 2 |  X Jiang  Q Tang | 6 | 65 | [7] | |||||||||||||||||||||||