2018 Hong Kong Tennis Open – Doubles
| Doubles | |
|---|---|
| 2018 Hong Kong Tennis Open | |
| Champions | |
| Runners-up | |
| Score | 6–4, 6–4 | 
| Draw | 16 | 
| Seeds | 4 | 
Chan Hao-ching and Latisha Chan were the defending champions, but Latisha could not participate due to a medical condition. Hao-ching played alongside Yang Zhaoxuan, but they lost in the first round to Nadiia Kichenok and Anastasia Rodionova.
Samantha Stosur and Zhang Shuai won the title, defeating Shuko Aoyama and Lidziya Marozava in the final, 6–4, 6–4.
Seeds
 Chan Hao-ching / 
 Yang Zhaoxuan (first round)
 Alicja Rosolska / 
 Abigail Spears (quarterfinals)
 Miyu Kato / 
 Makoto Ninomiya (quarterfinals)
 Shuko Aoyama / 
 Lidziya Marozava (final)
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 | 4 | 3 | |||||||||||||||||||||||||
| 6 | 6 | 77 | 6 | ||||||||||||||||||||||||
| 3 | 6 | [7] | 63 | 1 | |||||||||||||||||||||||
| 6 | 2 | [10] | 6 | 3 | [7] | ||||||||||||||||||||||
| 4 | 4 | 6 | [10] | 4 | 4 | 6 | [10] | ||||||||||||||||||||
| 6 | 2 | [8] | 4 | 6 | 3 | [10] | |||||||||||||||||||||
| WC | 1 | 2 | 3 | 6 | [7] | ||||||||||||||||||||||
| 6 | 6 | 4 | 4 | 4 | |||||||||||||||||||||||
| 4 | 4 | 6 | 6 | ||||||||||||||||||||||||
| 6 | 6 | 6 | 77 | ||||||||||||||||||||||||
| WC | 1 | 3 | 3 | 4 | 65 | ||||||||||||||||||||||
| 3 | 6 | 6 | 6 | 6 | |||||||||||||||||||||||
| 6 | 6 | 4 | 1 | ||||||||||||||||||||||||
| 2 | 4 | 3 | 6 | [10] | |||||||||||||||||||||||
| 2 | 3 | 2 | 6 | 3 | [6] | ||||||||||||||||||||||
| 2 | 6 | 6 | |||||||||||||||||||||||||