| Men's doubles | |
|---|---|
| 2018 Stockton Challenger | |
| Champions |  Darian King  Noah Rubin |
| Runners-up |  Sanchai Ratiwatana  Christopher Rungkat |
| Final score | 6–3, 6–4 |
Brydan Klein and Joe Salisbury were the defending champions but chose not to defend their title.
Darian King and Noah Rubin won the title after defeating Sanchai Ratiwatana and Christopher Rungkat 6–3, 6–4 in the final.
Sanchai Ratiwatana / Christopher Rungkat (Final)
Ruan Roelofse / 
John-Patrick Smith (First round)
Ruben Gonzales / Nathaniel Lammons (First round)
Toshihide Matsui / 
Frederik Nielsen (Semifinals)| First Round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | Sa Ratiwatana C Rungkat | 6 | 6 | ||||||||||||||||||||||||
| WC | T Paul A Reed | 3 | 3 | 1 | Sa Ratiwatana C Rungkat | 6 | 6 | ||||||||||||||||||||
 J Clarke  R Maytín | 4 | 3 | WC | JP Fruttero P Kypson | 4 | 2 | |||||||||||||||||||||
| WC | JP Fruttero P Kypson | 6 | 6 | 1 | Sa Ratiwatana C Rungkat | 5 | 6 | [10] | |||||||||||||||||||
| 4 | T Matsui F Nielsen | 79 | 6 | 4 | T Matsui F Nielsen | 7 | 1 | [8] | |||||||||||||||||||
 M-A Hüsler  L Miedler | 67 | 2 | 4 | T Matsui F Nielsen | 6 | 6 | |||||||||||||||||||||
| WC |  Akram El Sallaly A Göransson | 6 | 3 | [10] | WC | A El Sallaly A Göransson | 3 | 4 | |||||||||||||||||||
| M Banes A Bolt | 1 | 6 | [8] | 1 | Sa Ratiwatana C Rungkat | 3 | 4 | ||||||||||||||||||||
 H Hach Verdugo A Siljeström | 6 | 4 | [6] | D King N Rubin | 6 | 6 | |||||||||||||||||||||
| D King N Rubin | 3 | 6 | [10] | D King N Rubin | 6 | 4 | [10] | ||||||||||||||||||||
M Polmans  S Verbeek | 2 | 6 | [10] | M Polmans S Verbeek | 1 | 6 | [8] | ||||||||||||||||||||
| 3 | R Gonzales N Lammons | 6 | 3 | [4] | D King N Rubin | 6 | 6 | ||||||||||||||||||||
| JC Aragone L Harris | 3 | 65 |  H Heliövaara H Laaksonen | 4 | 4 | ||||||||||||||||||||||
| A Lawson H Reese | 6 | 77 | A Lawson H Reese | 65 | 77 | [8] | |||||||||||||||||||||
| H Heliövaara H Laaksonen | 6 | 6 | H Heliövaara H Laaksonen | 77 | 63 | [10] | |||||||||||||||||||||
| 2 | R Roelofse J-P Smith | 4 | 3 | ||||||||||||||||||||||||
Gong Maoxin and Li Zhe were the defending champions, but Lee Hsin-han and Christopher Rungkat defeated them in the quarterfinals.
Pierre-Ludovic Duclos and Riccardo Ghedin won the title, defeating Nicholas Monroe and Ludovic Walter 6–4, 6–4 in the final.
Christopher Rungkat and Elbert Sie were the defending champions, but Sie was not selected for the Indonesian team. Rungkat partnered Sunu Wahyu Trijati, but they lost in the quarterfinals to Francis Alcantara and Treat Huey.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions but only Sonchat Ratiwatana defended his title, partnering Yi Chu-huan. Ratiwatana lost in the semifinals to Daniel Masur and Ante Pavić.
Luke Saville and Jordan Thompson were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Hsieh Cheng-peng and Yang Tsung-hua were the defending champions but lost in the semifinals to Sanchai and Sonchat Ratiwatana.
Stefan Kozlov and John-Patrick Smith were the defending champions but chose not to defend their title.
Daniel Masur and Ante Pavić were the defending champions but chose not to defend their title.
Matt Reid 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 quarterfinals to Hsieh Cheng-peng and Yang Tsung-hua.
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the first round to Gong Maoxin and Hsieh Cheng-peng.
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.
Sanchai Ratiwatana and Christopher Rungkat were the defending champions but only Rungkat chose to defend his title, partnering Roberto Maytín. Rungkat lost in the final to Austin Krajicek and Jeevan Nedunchezhiyan.
Sriram Balaji and Vishnu Vardhan were the defending champions but chose not to defend their title.
André Göransson and Florian Lakat were the defending champions but lost in the quarterfinals to Gerard Granollers and Pedro Martínez.
Luke Bambridge and David O'Hare were the defending champions but chose not to defend their title.
Sanchai Ratiwatana and Christopher Rungkat were the defending champions but chose not to defend their title.
Gong Maoxin and Zhang Ze were the defending champions but lost in the first round to Treat Huey and Nathaniel Lammons.