2018 Bangkok Challenger II – Doubles
| Doubles | |
|---|---|
| 2018 Bangkok Challenger II | |
| Champions |  James Cerretani  Joe Salisbury | 
| Runners-up |  Enrique López Pérez  Pedro Martínez | 
| Score | 6–7(5–7), 6–3, [10–8] | 
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the quarterfinals to Hsieh Cheng-peng and Yang Tsung-hua.
James Cerretani and Joe Salisbury won the title after defeating Enrique López Pérez and Pedro Martínez 6–7(5–7), 6–3, [10–8] in the final.
Seeds
 Sanchai Ratiwatana / Sanchai Ratiwatana / Sonchat Ratiwatana (quarterfinals) Sonchat Ratiwatana (quarterfinals)
 James Cerretani / James Cerretani / Joe Salisbury (champions) Joe Salisbury (champions)
 Jeevan Nedunchezhiyan / Jeevan Nedunchezhiyan / Christopher Rungkat (quarterfinals) Christopher Rungkat (quarterfinals)
 Toshihide Matsui / Toshihide Matsui / Yi Chu-huan (first round) Yi Chu-huan (first round)
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
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  Sa Ratiwatana  So Ratiwatana | 6 | 6 | ||||||||||||||||||||||||
|  F Nielsen  D O'Hare | 3 | 4 | 1 |  Sa Ratiwatana  So Ratiwatana | 4 | 66 | |||||||||||||||||||||
|  C-p Hsieh  T-h Yang | 3 | 6 | [11] |  C-p Hsieh  T-h Yang | 6 | 78 | |||||||||||||||||||||
|  I Sabanov  M Sabanov | 6 | 3 | [9] |  C-p Hsieh  T-h Yang | 4 | 4 | |||||||||||||||||||||
| 3 |  J Nedunchezhiyan  C Rungkat | 6 | 6 |  E López Pérez  P Martínez | 6 | 6 | |||||||||||||||||||||
|  T Chen  F Cipolla | 0 | 2 | 3 |  J Nedunchezhiyan  C Rungkat | 64 | 63 | |||||||||||||||||||||
|  G Granollers  D Marrero | 4 | 5 |  E López Pérez  P Martínez | 77 | 77 | ||||||||||||||||||||||
|  E López Pérez  P Martínez | 6 | 7 |  E López Pérez  P Martínez | 77 | 3 | [8] | |||||||||||||||||||||
|  I Nedelko  N Serdarušić | 4 | 4 | 2 |  J Cerretani  J Salisbury | 65 | 6 | [10] | ||||||||||||||||||||
|  M Elgin  T Khabibulin | 6 | 6 |  M Elgin  T Khabibulin | 3 | 6 | [4] | |||||||||||||||||||||
|  M Gong  H-y Peng | 77 | 6 |  M Gong  H-y Peng | 6 | 3 | [10] | |||||||||||||||||||||
| 4 |  T Matsui  C-h Yi | 62 | 2 |  M Gong  H-y Peng | 67 | 3 | |||||||||||||||||||||
| WC |  P Isaro  W Trongcharoenchaikul | 6 | 3 | [11] | 2 |  J Cerretani  J Salisbury | 79 | 6 | |||||||||||||||||||
| WC |  Congsup Congcar  K Wachiramanowong | 1 | 6 | [9] | WC |  P Isaro  W Trongcharoenchaikul | 4 | 2 | |||||||||||||||||||
| WC |  Phassawit Burapharitta  Chayanon Kaewsuto | 5 | 1 | 2 |  J Cerretani  J Salisbury | 6 | 6 | ||||||||||||||||||||
| 2 |  J Cerretani  J Salisbury | 7 | 6 | ||||||||||||||||||||||||