| Doubles | |
|---|---|
| 2019 Fairfield Challenger | |
| Champions |  Darian King  Peter Polansky |
| Runners-up |  André Göransson  Sem Verbeek |
| Final score | 6–4, 3–6, [12–10] |
Sanchai Ratiwatana and Christopher Rungkat were the defending champions [1] but chose not to defend their title.
Darian King and Peter Polansky won the title after defeating André Göransson and Sem Verbeek 6–4, 3–6, [12–10] in the final.
Robert Galloway / 
Roberto Maytín (first round) Evan King / Hunter Reese (quarterfinals)
Santiago González / 
Treat Huey (quarterfinals, withdrew) André Göransson / Sem Verbeek (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | R Galloway R Maytín | 6 | 4 | [3] | |||||||||||||||||||||||
| J Cerretani K Lovett | 2 | 6 | [10] | J Cerretani K Lovett | 2 | 6 | [6] | ||||||||||||||||||||
| WC | S Bangoura M Mmoh | 6 | 64 | [7] | WC | D Baughman B Holt | 6 | 4 | [10] | ||||||||||||||||||
| WC | D Baughman B Holt | 4 | 77 | [10] | WC | D Baughman B Holt | 62 | 3 | |||||||||||||||||||
| 4 | A Göransson S Verbeek | 6 | 6 | 4 | A Göransson S Verbeek | 77 | 6 | ||||||||||||||||||||
D Kudla  R Quiroz | 0 | 4 | 4 | A Göransson S Verbeek | 3 | 6 | [10] | ||||||||||||||||||||
| JC Aragone D Young | 6 | 4 | [10] | N Pasha M Schnur | 6 | 4 | [6] | ||||||||||||||||||||
| N Pasha M Schnur | 3 | 6 | [12] | 4 | A Göransson S Verbeek | 4 | 6 | [10] | |||||||||||||||||||
| D King P Polansky | 77 | 6 | D King P Polansky | 6 | 3 | [12] | |||||||||||||||||||||
| WC | B Nakashima A Ritschard | 64 | 4 | D King P Polansky | w/o | ||||||||||||||||||||||
| M Krueger A Lawson | 3 | 4 | 3 | S González T Huey | |||||||||||||||||||||||
| 3 | S González T Huey | 6 | 6 | D King P Polansky | 2 | 6 | [10] | ||||||||||||||||||||
| H Hach Verdugo D Novikov | 6 | 77 | H Hach Verdugo D Novikov | 6 | 4 | [4] | |||||||||||||||||||||
JP Fruttero  B Rola | 1 | 64 | H Hach Verdugo D Novikov | 77 | 62 | [10] | |||||||||||||||||||||
| Ma Redlicki J Withrow | 68 | 4 | 2 | E King H Reese | 64 | 77 | [4] | ||||||||||||||||||||
| 2 | E King H Reese | 710 | 6 | ||||||||||||||||||||||||
Hugo Nys and Tim Pütz were the defending champions but only Nys chose to defend his title, partnering Elliot Benchetrit. Nys lost in the first round to Salvatore Caruso and Kenny de Schepper.
Jonathan Erlich and Divij Sharan were the defending champions but chose not to defend their title.
Marcelo Arévalo and Miguel Ángel Reyes-Varela were the defending champions and successfully defended their title, defeating Ariel Behar and Roberto Quiroz 1–6, 6–4, [12–10] in the final.
This was the first edition of the tournament.
Alex Lawson and Li Zhe were the defending champions but only Li chose to defend his title, partnering Hugo Nys. Li lost in the final to André Göransson and Sem Verbeek.
Robert Galloway and Roberto Maytín were the defending champions but only Maytín chose to defend his title, partnering Jackson Withrow. Maytín lost in the final to Diego Hidalgo and Martin Redlicki.
Matt Reid and Sergiy Stakhovsky were the defending champions but chose not to defend their title.
Gerard Granollers and Guillermo Olaso were the defending champions but chose not to defend their title.
Hans Hach Verdugo and Luke Saville were the defending champions but only Hach Verdugo chose to defend his title, partnering Dennis Novikov. Hach Verdugo lost in the first round to Alex Lawson and Jackson Withrow.
Dustin Brown and Donald Young were the defending champions but chose not to defend their title.
Max Purcell and Luke Saville were the defending champions but only Purcell chose to defend his title, partnering Jake Delaney. Purcell lost in the first round to Harri Heliövaara and Sem Verbeek.
Treat Huey and Nathaniel Lammons were the defending champions but only Huey chose to defend his title, partnering Sem Verbeek. Huey lost in the quarterfinals to Emilio Gómez and Roberto Quiroz.
Roberto Maytín and Fernando Romboli were the defending champions but chose not to defend their title.
Kevin Krawietz and Andreas Mies were the defending champions but chose not to defend their title.
André Göransson and Sem Verbeek were the defending champions but chose not to defend their title.
Andre Begemann and Andrea Vavassori were the defending champions but chose not to defend their title.
Marc Polmans and Sergiy Stakhovsky were the defending champions but chose not to defend their title.
Ivan and Matej Sabanov were the defending champions but chose not to defend their title.
Luca Castelnuovo and Manuel Guinard were the defending champions but chose not to defend their title.
André Göransson and Sem Verbeek were the defending champions but chose not to defend their title.