| Doubles | |
|---|---|
| 2019 Bangkok Challenger | |
| Champions |  Gong Maoxin Zhang Ze |
| Runners-up |  Hsieh Cheng-peng  Christopher Rungkat |
| Score | 6–4, 6–4 |
Gerard and Marcel Granollers were the defending champions but chose not defend their title.
Gong Maoxin and Zhang Ze won the title after defeating Hsieh Cheng-peng and Christopher Rungkat 6–4, 6–4 in the final.
Hsieh Cheng-peng / Christopher Rungkat (final) Gong Maoxin / Zhang Ze (champions)
Andre Begemann / 
Rameez Junaid (first round)
Ariel Behar / 
Enrique López Pérez (first round, retired)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | C-p Hsieh C Rungkat | 713 | 6 | ||||||||||||||||||||||||
 J Erlich D Sela | 611 | 3 | 1 | C-p Hsieh C Rungkat | 6 | 79 | |||||||||||||||||||||
| ITF | D Pérez Sanz O Roca Batalla | 79 | 1 | [8] | ITF |  F Alcantara  B Saraiva | 3 | 67 | |||||||||||||||||||
| ITF | F Alcantara B Saraiva | 67 | 6 | [10] | 1 | C-p Hsieh C Rungkat | 7 | 77 | |||||||||||||||||||
| 4 | A Behar E López Pérez | 1r |  S Balaji A Kadhe | 5 | 63 | ||||||||||||||||||||||
 H Heliövaara  T Matsui | 1 | H Heliövaara T Matsui | 6 | 5 | [3] | ||||||||||||||||||||||
| S Balaji A Kadhe | 6 | 6 | S Balaji A Kadhe | 4 | 7 | [10] | |||||||||||||||||||||
 Sa Ratiwatana So Ratiwatana | 1 | 3 | 1 | C-p Hsieh C Rungkat | 4 | 4 | |||||||||||||||||||||
| WC | J Navasirisomboon Chanchai Sookton-eng | 2 | 2 | 2 | M Gong Ze Zhang | 6 | 6 | ||||||||||||||||||||
| WC | N Kadchapanan P Kovapitukted | 6 | 6 | WC | N Kadchapanan P Kovapitukted | 3 | 3 | ||||||||||||||||||||
| M Purcell M Reid | 6 | 6 | M Purcell M Reid | 6 | 6 | ||||||||||||||||||||||
| 3 | A Begemann R Junaid | 2 | 2 | M Purcell M Reid | 5 | 3 | |||||||||||||||||||||
| H Moriya T-h Yang | 64 | 4 | 2 | M Gong Ze Zhang | 7 | 6 | |||||||||||||||||||||
| G Oliveira M Polmans | 77 | 6 | G Oliveira M Polmans | 63 | 3 | ||||||||||||||||||||||
| WC | Chotiwat Naen-Udorn Patthravut Saimongkol | 0 | 0 | 2 | M Gong Ze Zhang | 77 | 6 | ||||||||||||||||||||
| 2 | M Gong Ze Zhang | 6 | 6 | ||||||||||||||||||||||||
Li Zhe and Jose Statham were the defending champions, but Statham chose not to defend his title. Li partnered Yi Chu-huan instead. Li lost in the first round to Kwon Soon-woo and Lee Duck-hee.
This was the first edition of the tournament.
Wu Di and Yi Chu-huan were the defending champions but chose not to compete together. Wu played alongside Zhang Zhizhen. Yi teamed up with Hsieh Cheng-peng. Wu lost in the quarterfinals to Gao Xin and Li Zhe.
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).
Gong Maoxin and Yi Chu-huan were the defending champions but chose to defend their title with different partners. Gong partnered Zhang Ze but lost in the quarterfinals to Ruben Gonzales and Hsieh Cheng-peng. Yi partnered Yuya Kibi but withdrew from the tournament due to a Kibi injury.
Gong Maoxin and Zhang Ze were the defending champions but chose not to defend their title.
Mikhail Elgin and Alexander Kudryavtsev were the defending champions but chose not to defend their title.
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the first round to Gong Maoxin and Hsieh Cheng-peng.
Sriram Balaji and Vishnu Vardhan were the defending champions but chose not to defend their title.
Hsieh Cheng-peng and Peng Hsien-yin were the defending champions but chose to defend their title with different partners. Hsieh partnered Yang Tsung-hua and successfully defended his title. Peng partnered Yi Chu-huan but lost in the first round to Benjamin Lock and Rubin Statham.
Toshihide Matsui and Yi Chu-huan were the defending champions but only Yi chose to defend his title, partnering Peng Hsien-yin. Yi lost in the first round to Gong Maoxin and Zhang Ze.
Radu Albot and Rubin Statham were the defending champions but only Statham chose to defend his title, partnering Hiroki Moriya. Statham lost in the first round to Sriram Balaji and Saketh Myneni.
This was the first edition of the men's tournament.
Sriram Balaji and Vishnu Vardhan were the defending champions but only Balaji chose to defend his title, partnering Jeevan Nedunchezhiyan. Balaji lost in the final to Hsieh Cheng-peng and Christopher Rungkat.
Hsieh Cheng-peng and Rameez Junaid were the defending champions but only Hsieh chose to defend his title, partnering Christopher Rungkat. Hsieh successfully defended his title.
Gong Maoxin and Zhang Ze were the defending champions but lost in the quarterfinals to Ruben Gonzales and Alex Lawson.
Frederik Nielsen and Joe Salisbury were the defending champions but chose not to defend their title.
Hsieh Cheng-peng and Yang Tsung-hua were the defending champions but chose not to defend their title.
Gong Maoxin and Zhang Ze were the defending champions but lost in the first round to Nam Ji-sung and Song Min-kyu.
Hsieh Cheng-peng and Christopher Rungkat were the defending champions but chose to defend their title with different partners. Hsieh partnered Yang Tsung-hua and successfully defended his title. Rungkat partnered André Göransson but lost in the first round to Sadio Doumbia and Fabien Reboul.