| Doubles | |
|---|---|
| 2018 OEC Kaohsiung | |
| Champions |  Hsieh Cheng-peng Yang Tsung-hua |
| Runners-up | Hsu Yu-hsiou Jimmy Wang |
| Final score | 6–7(3–7), 6–2, [10–8] |
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the semifinals to Hsieh Cheng-peng and Yang Tsung-hua.
Hsieh and Yang won the title after defeating Hsu Yu-hsiou and Jimmy Wang 6–7(3–7), 6–2, [10–8] in the final.
Austin Krajicek / 
Jeevan Nedunchezhiyan (semifinals) Sriram Balaji / Vishnu Vardhan (quarterfinals)
Gong Maoxin / Zhang Ze (withdrew)
Sanchai Ratiwatana / Sonchat Ratiwatana (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | A Krajicek J Nedunchezhiyan | 6 | 78 | ||||||||||||||||||||||||
 T Lamasine  H Moriya | 4 | 66 | 1 | A Krajicek J Nedunchezhiyan | 6 | 6 | |||||||||||||||||||||
 B Mousley H-y Peng | 6 | 6 | B Mousley H-y Peng | 3 | 4 | ||||||||||||||||||||||
| WC | K-y Lee C-y Yu | 4 | 4 | 1 | A Krajicek J Nedunchezhiyan | 64 | 1 | ||||||||||||||||||||
| Alt | X Gao F Sun | 65 | 2 | WC | Y-h Hsu J Wang | 77 | 6 | ||||||||||||||||||||
A Santillan  J Ward | 77 | 6 | A Santillan J Ward | 77 | 62 | [4] | |||||||||||||||||||||
| WC | Y-h Hsu J Wang | 6 | 77 | WC | Y-h Hsu J Wang | 62 | 77 | [10] | |||||||||||||||||||
 L Harris M Purcell | 4 | 65 | WC | Y-h Hsu J Wang | 77 | 2 | [8] | ||||||||||||||||||||
 T Brkić  J Rodionov | 6 | 6 | C-p Hsieh T-h Yang | 63 | 6 | [10] | |||||||||||||||||||||
| WC | T Chen Ray Ho | 4 | 4 | T Brkić J Rodionov | 4 | 5 | |||||||||||||||||||||
| A Lawson Z Li | 4 | 5 | 4 | Sa Ratiwatana So Ratiwatana | 6 | 7 | |||||||||||||||||||||
| 4 | Sa Ratiwatana So Ratiwatana | 6 | 7 | 4 | Sa Ratiwatana So Ratiwatana | 3 | 4 | ||||||||||||||||||||
| C-p Hsieh T-h Yang | 6 | 6 | C-p Hsieh T-h Yang | 6 | 6 | ||||||||||||||||||||||
| VS Prashanth R Ramanathan | 4 | 4 | C-p Hsieh T-h Yang | 77 | 6 | ||||||||||||||||||||||
| Y Sugita C-h Yi | 1 | 5 | 2 | S Balaji V Vardhan | 63 | 4 | |||||||||||||||||||||
| 2 | S Balaji V Vardhan | 6 | 7 | ||||||||||||||||||||||||
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but they lost against Pierre-Ludovic Duclos and Yang Tsung-hua in the semifinals.
Rameez Junaid and Alexander Peya won in the final 6–4, 7–5 against Duclos and Yang.
Dominik Meffert and Simon Stadler were the defending champions but decided not to participate.
Sanchai Ratiwatana and Sonchat Ratiwatana won the title, defeating Hsieh Cheng-peng and Lee Hsin-han 7–6(9–7), 6–3 in the final.
John Paul Fruttero and Raven Klaasen won the first edition of the tournament by defeating Hsieh Cheng-peng and Lee Hsin-han 6–7(6–8), 7–5, [10–8] in the final.
Sanchai Ratiwatana and Sonchat Ratiwatana won the title, defeating Adam Feeney and Samuel Groth 6–4, 2–6, [10–8] in the final.
Gong Maoxin and Peng Hsien-yin were the defending champions, but lost in the final to Hsieh Cheng-peng and Yang Tsung-hua 6–2, 6–2.
This was the first edition of the event, and was won by Tristan Lamasine and Nils Langer who beat Saketh Myneni and Sanam Singh in the final 1–6, 6–3, [10–8].
Sanchai Ratiwatana and Sonchat Ratiwatana won the title, defeating Chen Ti and Franko Škugor in the final 6–4, 2–6, [11–9].
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.
Luke Saville and Jordan Thompson were the defending champions but chose not to defend their title.
Hsieh Cheng-peng and Yang Tsung-hua were the defending champions but lost in the semifinals to Sanchai and Sonchat Ratiwatana.
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the quarterfinals to Hsieh Cheng-peng and Yang Tsung-hua.
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.
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.
This was the first edition of the tournament.