| Doubles | |
|---|---|
| 2018 Guzzini Challenger | |
| Champions |  Gong Maoxin Zhang Ze |
| Runners-up |  Gonzalo Escobar  Fernando Romboli |
| Final score | 2–6, 7–6(7–5), [10–8] |
Jonathan Eysseric and Quentin Halys were the defending champions but only Halys chose to defend his title, partnering Albano Olivetti. Halys lost in the semifinals to Gong Maoxin and Zhang Ze.
Gong and Zhang won the title after defeating Gonzalo Escobar and Fernando Romboli 2–6, 7–6(7–5), [10–8] in the final.
Roberto Quiroz / 
Matt Reid (first round) Gong Maoxin / Zhang Ze (champions)
Alessandro Motti / 
Volodymyr Uzhylovskyi (first round)
Ruben Gonzales / 
Nathaniel Lammons (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | R Quiroz M Reid | 6 | 64 | [6] | |||||||||||||||||||||||
| WC | R Brancaccio Enrico Dalla Valle | 2 | 77 | [10] | WC | R Brancaccio E Dalla Valle | 3 | 4 | |||||||||||||||||||
| WC | A Bega Giacomo Miccini | 1 | 6 | [7] | WC | S Caruso W Trusendi | 6 | 6 | |||||||||||||||||||
| WC | S Caruso W Trusendi | 6 | 2 | [10] | WC | S Caruso W Trusendi | 6 | 4 | [5] | ||||||||||||||||||
| 4 | R Gonzales N Lammons | 6 | 3 | [7] | G Escobar F Romboli | 4 | 6 | [10] | |||||||||||||||||||
| G Escobar F Romboli | 1 | 6 | [10] | G Escobar F Romboli | 6 | 4 | [10] | ||||||||||||||||||||
 H Moriya  R Ramanathan | 5 | 5 |  S Martos Gornés A Menéndez Maceiras | 3 | 6 | [7] | |||||||||||||||||||||
| S Martos Gornés A Menéndez Maceiras | 7 | 7 | G Escobar F Romboli | 6 | 65 | [8] | |||||||||||||||||||||
| J Ocleppo A Vavassori | 6 | 6 | 2 | M Gong Ze Zhang | 2 | 77 | [10] | ||||||||||||||||||||
 A Bublik  A Pavlioutchenkov | 3 | 4 | J Ocleppo A Vavassori | 3 | 4 | ||||||||||||||||||||||
 Q Halys A Olivetti | 7 | 6 | Q Halys A Olivetti | 6 | 6 | ||||||||||||||||||||||
| 3 | A Motti Volodymyr Uzhylovskyi | 5 | 2 | Q Halys A Olivetti | 77 | 1 | [6] | ||||||||||||||||||||
 N Čačić  M Sabanov | 4 | 4 | 2 | M Gong Ze Zhang | 65 | 6 | [10] | ||||||||||||||||||||
 R Cid Subervi  DE Galán | 6 | 6 | R Cid Subervi DE Galán | 4 | 64 | ||||||||||||||||||||||
| P Martínez B Zapata Miralles | 6 | 3 | [3] | 2 | M Gong Ze Zhang | 6 | 77 | ||||||||||||||||||||
| 2 | M Gong Ze Zhang | 3 | 6 | [10] | |||||||||||||||||||||||
Rémi Boutillier and Maxime Teixeira were the defending champions, but only Teixeira defended his title partnering Maxime Chazal. Teixeira lost in the first round to Alejandro González and Luis David Martínez.
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.
Dudi Sela and Amir Weintraub were the defending champions but chose not to defend their title.
Nicolas Meister and Eric Quigley were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
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 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.
Jonathan Eysseric and Sergiy Stakhovsky 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.
Gong Maoxin and Zhang Ze were the defending champions but lost in the semifinals to Aliaksandr Bury and Peng Hsien-yin.
Wu Di and Zhang Zhizhen were the defending champions but only Wu chose to defend his title, partnering Wu Yibing. Wu lost in the quarterfinals to Quentin Halys and Calvin Hemery.
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.
Gao Xin and Zhang Zhizhen were the defending champions but lost in the quarterfinals to Gong Maoxin and Zhang Ze.
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.
Gerard and Marcel Granollers were the defending champions but chose not defend their title.
Denys Molchanov and Igor Zelenay were the defending champions but chose not to defend their title.
Gong Maoxin and Zhang Ze were the defending champions but lost in the quarterfinals to Arjun Kadhe and Saketh Myneni.
Gong Maoxin and Zhang Ze were the defending champions but lost in the first round to Nam Ji-sung and Song Min-kyu.