| Doubles | |
|---|---|
| 2018 International Challenger Zhangjiagang | |
| Champions |  Gong Maoxin Zhang Ze |
| Runners-up |  Bradley Mousley Akira Santillan |
| Final score | Walkover |
Gao Xin and Zhang Zhizhen were the defending champions but lost in the quarterfinals to Gong Maoxin and Zhang Ze.
Gong and Zhang Ze won the title after Bradley Mousley and Akira Santillan withdrew before the final.
Sriram Balaji / Vishnu Vardhan (first round)
Sanchai Ratiwatana / Sonchat Ratiwatana (first round) Max Purcell / 
Yasutaka Uchiyama (first round) Gong Maoxin / Zhang Ze (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | S Balaji V Vardhan | 4 | 6 | [8] | |||||||||||||||||||||||
| WC | F Sun Zeng Shi Hong | 6 | 3 | [10] | WC | F Sun SH Zeng | 7 | 7 | |||||||||||||||||||
 A Lawson Z Li | 77 | 4 | [22] |  T Chen C-h Yi | 5 | 5 | |||||||||||||||||||||
| T Chen C-h Yi | 62 | 6 | [24] | WC | F Sun SH Zeng | 3 | 1 | ||||||||||||||||||||
| 3 | M Purcell Y Uchiyama | 4 | 64 | B Mousley A Santillan | 6 | 6 | |||||||||||||||||||||
| B Mousley A Santillan | 6 | 77 | B Mousley A Santillan | 6 | 4 | [11] | |||||||||||||||||||||
C-p Hsieh  A Šetkić | 7 | 6 | C-p Hsieh A Šetkić | 0 | 6 | [9] | |||||||||||||||||||||
| WC | R Te D Wu | 5 | 4 | B Mousley A Santillan | |||||||||||||||||||||||
| WC | X Gao Zh Zhang | 6 | 77 | 4 | M Gong Ze Zhang | w/o | |||||||||||||||||||||
A Kadhe  R Statham | 4 | 65 | WC | X Gao Zh Zhang | 3 | 3 | |||||||||||||||||||||
 T Lamasine H Moriya | 3 | 1 | 4 | M Gong Ze Zhang | 6 | 6 | |||||||||||||||||||||
| 4 | M Gong Ze Zhang | 6 | 6 | 4 | M Gong Ze Zhang | 6 | 6 | ||||||||||||||||||||
 A Bublik  M Kecmanović | 6 | 6 | A Bublik M Kecmanović | 4 | 2 | ||||||||||||||||||||||
 U Ignatik VS Prashanth | 4 | 4 | A Bublik M Kecmanović | 77 | 6 | ||||||||||||||||||||||
| H-y Peng T-h Yang | 77 | 77 | H-y Peng T-h Yang | 64 | 3 | ||||||||||||||||||||||
| 2 | Sa Ratiwatana So Ratiwatana | 61 | 65 | ||||||||||||||||||||||||
Lee Hsin-han and Yang Tsung-hua won the title, defeating Feng He and Zhang Ze 6–2, 7–6(7–4) in the final.
Karan Rastogi and Divij Sharan were the defending champions but decided not to participate.
Sanchai Ratiwatana and Sonchat Ratiwatana won the title, defeating Gong Maoxin and Zhang Ze 6–4, 6–2 in the final.
Sanchai Ratiwatana and Sonchat Ratiwatana are the defending champions, but decided not to participate.
Benjamin Mitchell and Jordan Thompson are the defending champions, but only Mitchell defending his title partnering Matthew Barton.
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).
Dudi Sela and Amir Weintraub 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.
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.
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the semifinals to Hsieh Cheng-peng and Yang Tsung-hua.
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.
Gong Maoxin and Zhang Ze were the defending champions but lost in the quarterfinals to Arjun Kadhe and Saketh Myneni.
This was the first edition of the tournament.
Gong Maoxin and Zhang Ze were the defending champions but lost in the first round to Treat Huey and Nathaniel Lammons.