| Doubles | |
|---|---|
| 2019 Gwangju Open | |
| Champions |  Hsieh Cheng-peng  Christopher Rungkat |
| Runners-up |  Nam Ji-sung Song Min-kyu |
| Score | 6–3, 3–6, [10–6] |
Nam Ji-sung and Song Min-kyu were the defending champions [1] but lost in the final to Hsieh Cheng-peng and Christopher Rungkat.
Hsieh and Rungkat won the title after defeating Nam and Song 6–3, 3–6, [10–6] in the final.
Hsieh Cheng-peng / Christopher Rungkat (champions)
Sriram Balaji / 
Jonathan Erlich (semifinals)
Evan King / Nathan Pasha (quarterfinals)
André Göransson / Hunter Reese (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | C-p Hsieh C Rungkat | 6 | 7 | ||||||||||||||||||||||||
 T Matsui V Vardhan | 2 | 5 | 1 | C-p Hsieh C Rungkat | 6 | 1 | [10] | ||||||||||||||||||||
S Myneni  A Shamasdin | 6 | 6 | S Myneni A Shamasdin | 4 | 6 | [6] | |||||||||||||||||||||
| T-l Wu T-h Yang | 2 | 3 | 1 | C-p Hsieh C Rungkat | 77 | 4 | [16] | ||||||||||||||||||||
| 4 | A Göransson H Reese | 6 | 6 | 4 | A Göransson H Reese | 62 | 6 | [14] | |||||||||||||||||||
J Jung  Xia Zihao | 1 | 3 | 4 | A Göransson H Reese | 65 | 77 | [11] | ||||||||||||||||||||
| ITF |  F Alcantara Shintaro Imai | 64 | 0 | R Gonzales  Sa Ratiwatana | 77 | 63 | [9] | ||||||||||||||||||||
| R Gonzales Sa Ratiwatana | 77 | 6 | 1 | C-p Hsieh C Rungkat | 6 | 3 | [10] | ||||||||||||||||||||
| WC | Han Seon-yong Kim Cheong-eui | 3 | 2 | WC | J-s Nam M-k Song | 3 | 6 | [6] | |||||||||||||||||||
| WC | J-s Nam M-k Song | 6 | 6 | WC | J-s Nam M-k Song | 6 | 6 | ||||||||||||||||||||
 M Banes B Ellis | 1 | 64 | 3 | E King N Pasha | 4 | 0 | |||||||||||||||||||||
| 3 | E King N Pasha | 6 | 77 | WC | J-s Nam M-k Song | 3 | 6 | [10] | |||||||||||||||||||
| ITF | Y Bai  K Kravchuk | 3 | 1 | 2 | S Balaji J Erlich | 6 | 3 | [7] | |||||||||||||||||||
| WC | Ho Chung J-m Lee | 6 | 6 | WC | Ho Chung J-m Lee | 3 | 3 | ||||||||||||||||||||
| A Santillan L Saville | 3 | 1 | 2 | S Balaji J Erlich | 6 | 6 | |||||||||||||||||||||
| 2 | S Balaji J Erlich | 6 | 6 | ||||||||||||||||||||||||
Jonathan Eysseric and Jérôme Inzerillo were the defending champions, but did not compete in the Juniors in 2008.
Sanchai and Sonchat Ratiwatana 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 Christopher Rungkat but lost in the quarterfinals to Toshihide Matsui and Frederik Nielsen. Peng partnered Aliaksandr Bury but lost in the semifinals to Chen Ti and Yi Chu-huan.
Marco Chiudinelli and Teymuraz Gabashvili 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 Christopher Rungkat and successfully defended his title. Peng partnered Aliaksandr Bury but lost in the semifinals to Hsieh and Rungkat.
Sander Gillé and Joran Vliegen were the defending champions but only Vliegen chose to defend his title, partnering Rameez Junaid. Vliegen lost in the quarterfinals to Pedro Martínez and David Vega Hernández.
Sriram Balaji and Vishnu Vardhan were the defending champions but chose not to defend their title.
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.
This was the first edition of the tournament.
Gerard and Marcel Granollers were the defending champions but chose not defend their title.
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.
Hsieh Cheng-peng and Christopher Rungkat were the defending champions and successfully defended their title, defeating Toshihide Matsui and Vishnu Vardhan 7–6(9–7), 6–1 in the final.
Austin Krajicek and Jeevan Nedunchezhiyan were the defending champions but only Nedunchezhiyan chose to defend his title, partnering Purav Raja. Nedunchezhiyan lost in the semifinals to Marcus Daniell and Leander Paes.
Julio Peralta and Horacio Zeballos were the defending champions, but Peralta chose not to participate this year. Zeballos played alongside Federico Delbonis, but lost to Sander Gillé and Joran Vliegen in the final, 7–6(7–5), 5–7, [5–10].
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.
Gonçalo Oliveira and Akira Santillan were the defending champions but chose to defend their title with different partners. Oliveira partnered Brydan Klein but withdrew in the first round. Santillan partnered Bradley Mousley 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 only Rungkat chose to defend his title, partnering Ruben Gonzales. Rungkat lost in the quarterfinals to Marc Polmans and Max Purcell.