| Doubles | |
|---|---|
| 2016 Lecoq Seoul Open | |
| Champion |  Matt Reid John-Patrick Smith |
| Runner-up |  Gong Maoxin  Yi Chu-huan |
| Final score | 6–3, 7–5 |
Gong Maoxin and Peng Hsien-yin were the defending champions, but Peng chose not to participate this year. Gong chose to partner with Yi.
Gong failed to defend his title, losing in the finals to Matt Reid and John-Patrick Smith 6–3, 7–5.
Sam Groth / 
Leander Paes (quarterfinals)
Sanchai Ratiwatana / Sonchat Ratiwatana (first round) Purav Raja / Divij Sharan (semifinals)
Frederik Nielsen / 
David O'Hare (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | S Groth L Paes | 6 | 6 | ||||||||||||||||||||||||
| WC |  Jeong Yeong-seok Lee Dae-hee | 4 | 2 | 1 | S Groth L Paes | 61 | 3 | ||||||||||||||||||||
| Alt |  A Sarkissian Connor Smith | 6 | 5 | [9] | M Gong C-h Yi | 77 | 6 | ||||||||||||||||||||
| M Gong C-h Yi | 4 | 7 | [11] | M Gong C-h Yi | 65 | 6 | [10] | ||||||||||||||||||||
| 3 | P Raja D Sharan | 6 | 6 | 3 | P Raja D Sharan | 77 | 3 | [8] | |||||||||||||||||||
| A Krajicek M Krueger | 4 | 2 | 3 | P Raja D Sharan | 78 | 77 | |||||||||||||||||||||
| WC | Y-s Chung S-w Kwon | 1 | 64 |  A Kudrayvtsev  S Stakhovsky | 66 | 65 | |||||||||||||||||||||
| A Kudrayvtsev S Stakhovsky | 6 | 77 | M Gong C-h Yi | 3 | 5 | ||||||||||||||||||||||
| M Reid J-P Smith | 6 | 6 | M Reid J-P Smith | 6 | 7 | ||||||||||||||||||||||
| WC | D-h Lee  T Matsui | 2 | 4 | M Reid J-P Smith | 65 | 6 | [10] | ||||||||||||||||||||
| J Cerretani M Schnur | 6 | 6 | J Cerretani M Schnur | 77 | 4 | [8] | |||||||||||||||||||||
| 4 | F Nielsen D O'Hare | 2 | 4 | M Reid J-P Smith | 6 | 6 | |||||||||||||||||||||
| T Ito Y-h Lu | 5 | 3 | Alt |  L Broady A Ward | 3 | 3 | |||||||||||||||||||||
| T Chen Z Zhang | 7 | 6 | T Chen Z Zhang | 6 | 5 | [7] | |||||||||||||||||||||
| Alt | L Broady A Ward | 77 | 2 | [10] | Alt | L Broady A Ward | 3 | 7 | [10] | ||||||||||||||||||
| 2 | Sa Ratiwatana So Ratiwatana | 64 | 6 | [8] | |||||||||||||||||||||||
Bradley Klahn and Michael Venus were the defending champions, however Venus chose not to participate. Klahn partnered with Matt Reid and won the title, defeating Marcus Daniell and Artem Sitak in the final, 4–6, 6–4, [10–7].
Chase Buchanan and Blaž Rola were the defending champions, but both players chose not to participate.
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].
Benjamin Mitchell and Jordan Thompson are the defending champions, but only Mitchell defending his title partnering Matthew Barton.
Matthew Ebden and Wang Chieh-fu were the Santaizi ATP Challenger defending champions in 2016 but only Wang chose to defend his title, partnering Hung Jui-chen. Wang and Hung lost in the first round to Hsieh Cheng-peng and Yang Tsung-hua.
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.
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).
Lee Hsin-han and Denys Molchanov were the defending champions but chose not to defend their title.
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.
Sanchai and Sonchat Ratiwatana were the defending champions but only Sanchai Ratiwatana chose to defend his title, partnering Peng Hsien-yin. Ratiwatana lost in the first round to Masahiro Fukuda and Masamichi Imamura.
Gong Maoxin and Yi Chu-huan were the defending champions but chose to participate with different partners. Gong partnered Zhang Ze and successfully defended his title. Yi partnered Ruan Roelofse but lost in the final to Gong and Zhang.
Matt Reid and John-Patrick Smith were the defending champions but chose not to defend their title.
Sam Groth and Leander Paes were the defending champions but chose not to defend their title.
Stefan Kozlov and John-Patrick Smith 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.
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.
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.