2018 China Open – Men's doubles
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| Men's doubles | |
|---|---|
| 2018 China Open | |
| Champions |  Łukasz Kubot  Marcelo Melo |
| Runners-up |  Oliver Marach Mate Pavić |
| Score | 6–1, 6–4 |
Henri Kontinen and John Peers were the defending champions but chose to compete in Tokyo instead.
Łukasz Kubot and Marcelo Melo won the title, defeating Oliver Marach and Mate Pavić in the final, 6–1, 6–4.
Seeds
Oliver Marach / 
Mate Pavić (final)
Łukasz Kubot / 
Marcelo Melo (champions)
Juan Sebastián Cabal / Robert Farah (semifinals)- Ivan Dodig / Nikola Mektić (semifinals)
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 | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | O Marach M Pavić
| 6 | 6 | ||||||||||||||||||||||||
 M Cecchinato F Verdasco
| 4 | 4 | 1 | O Marach M Pavić
| 5 | 77 | |||||||||||||||||||||
 M Daniell W Koolhof
| 6 | 1 | M Daniell W Koolhof
| 7 | 64 | ||||||||||||||||||||||
| F López M López
| 4 | 6 | 1 | O Marach M Pavić
| 78 | 6 | |||||||||||||||||||||
| 4 | I Dodig N Mektić
| 6 | 6 | 4 | I Dodig N Mektić
| 66 | 2 | ||||||||||||||||||||
| WC |  R Hua Zh Zhang
| 3 | 4 | 4 | I Dodig N Mektić
| 2 | 6 | ||||||||||||||||||||
 JM del Potro L Mayer
| 6 | 3 | JM del Potro L Mayer
| 6 | 4 | ||||||||||||||||||||||
 A Rublev A Zverev
| 2 | 6 | 1 | O Marach M Pavić
| 1 | 4 | |||||||||||||||||||||
 N Monroe J Sock
| 5 | 63 | 2 | Ł Kubot M Melo
| 6 | 6 | |||||||||||||||||||||
| Q |  D Molchanov I Zelenay
| 7 | 77 | Q | D Molchanov I Zelenay
| 6 | 62 | ||||||||||||||||||||
J-J Rojer H Tecău
| 68 | 2 | 3 |  JS Cabal R Farah
| 4 | 77 | |||||||||||||||||||||
| 3 | JS Cabal R Farah
| 710 | 6 | 3 | JS Cabal R Farah
| 4 | 6 | ||||||||||||||||||||
 R Bopanna É Roger-Vasselin
| 6 | 77 | 2 | Ł Kubot M Melo
| 6 | 1 | |||||||||||||||||||||
 K Edmund M Fucsovics
| 2 | 65 | R Bopanna É Roger-Vasselin
| 6 | 4 | ||||||||||||||||||||||
| WC | M Gong Ze Zhang
| 4 | 6 | 2 | Ł Kubot M Melo
| 4 | 6 | ||||||||||||||||||||
| 2 | Ł Kubot M Melo
| 6 | 4 | ||||||||||||||||||||||||
Qualifying
Seeds
Roman Jebavý / 
Andrés Molteni (qualifying competition)
Radu Albot / 
Malek Jaziri (withdrew)
Qualifiers
Qualifying draw
| First round | Qualifying competition | ||||||||||||
| 1 |  Roman Jebavý Andrés Molteni
| 6 | 6 | ||||||||||
| David Marrero Andreas Seppi
| 1 | 3 | |||||||||||
| 1 | Roman Jebavý Andrés Molteni
| 68 | 6 | ||||||||||
| Alt | Denys Molchanov Igor Zelenay
| 710 | 2 | ||||||||||
| WC | Li Zhe Wu Di
| 5 | 2 | ||||||||||
| Alt | Denys Molchanov Igor Zelenay
| 7 | 6 | ||||||||||