| 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.
Sanchai Ratiwatana / Sonchat Ratiwatana (quarterfinals) James Cerretani / Joe Salisbury (champions)
Jeevan Nedunchezhiyan / 
Christopher Rungkat (quarterfinals)
Toshihide Matsui / 
Yi Chu-huan (first round)| 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 | ||||||||||||||||||||||||
James Cerretani and Lukáš Rosol were the defending champions. They chose to not participate this year.
Sanchai and Sonchat Ratiwatana defeated Benedikt Dorsch and Sam Warburg 6–4, 3–6, [10–8] in the final.
Rik de Voest and Bobby Reynolds were the defending champions. They chose to not defend their 2009 title.
Karol Beck and Jaroslav Levinský won in the final 6–3, 6–2, against Benedikt Dorsch and Philipp Petzschner.
Colin Fleming and Ken Skupski were the defending champions, but they chose to start in Moscow.
Pierre-Hugues Herbert and Nicolas Renavand, which received wildcards to the doubles main draw, won the final 7–6(3), 1–6, [10–6], against Sébastien Grosjean and Nicolas Mahut.
Nicolas Mahut and Lovro Zovko were the defending champions but decided not to participate.
All semifinal matches had been cancelled by the supervisor, due to heavy rain and flooding. This event was reinstated at players request.
Michael Kohlmann and Alexander Peya won the title, defeating Andre Begemann and Matthew Ebden 6–2, 6–2 in the final.
Harri Heliövaara and Denys Molchanov were the defending champions but Heliövaara decided not to participate.
Molchanov played alongside Uladzimir Ignatik.
Andre Begemann and Martin Emmrich won the title by defeating Rameez Junaid and Frank Moser 6–7(2–7), 7–6(7–2), [10–8] in the final.
James Cerretani and Adil Shamasdin were the defending champions but lost in the semifinals.
Marin Draganja and Mate Pavić won the title by defeating Samuel Groth and John-Patrick Smith 5–7, 6–2, [13–11] in the final.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but both players chose not to participate.
Radu Albot and Farrukh Dustov won the title defeating Egor Gerasimov and Dzmitry Zhyrmont 6–2, 6–7(3–7), [10–7].
Prakash Amritraj and Philipp Oswald were the defending champions but chose not to compete.
Bradley Klahn and Michael Venus defeated second seeds Sanchai Ratiwatana and Sonchat Ratiwatana 7–5, 6–1.
Philipp Oswald and Mate Pavić were the defending champions, but Oswald chose not to compete. Mate Pavić partnered with Marin Draganja, but they lost in the semifinals.
James Cerretani and Adil Shamasdin were the defending champions but lost in the first round to Henrique Cunha and F Romboli.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions and successfully defended their title, defeating Nam Ji-sung and Song Min-kyu in the final, 7–6(7–2), 3–6, [10–7].
This was the first edition of the tournament.
Brydan Klein and Matt Reid won the title, defeating Riccardo Ghedin and Yi Chu-huan in the final 6–2, 7–6.(7–3)
This was the first edition of the tournament.
This was the first edition of the tournament.
Hsieh Cheng-peng and Yang Tsung-hua were the defending champions but chose not to participate together. Hsieh partnered Yi Chu-huan, while Yang partnered Jeevan Nedunchezhiyan. Yang lost in the first round to Wu Tung-lin and Zhang Ze. Hsieh lost in the final to Sanchai and Sonchat Ratiwatana 4–6, 6–7(4–7).
Hsieh Cheng-peng and Yang Tsung-hua were the defending champions but chose not to defend their title.
Sanchai and Sonchat Ratiwatana were the defending champions and successfully defended their title, defeating Jonathan Erlich and Alexander Peya 6–4, 1–6, [10–6] in the final.
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the quarterfinals to Ben McLachlan and Go Soeda.
Grégoire Barrère and Jonathan Eysseric were the defending champions and chose not to defend their title.