| Doubles | |
|---|---|
| 2019 Banja Luka Challenger | |
| Champions |  Sadio Doumbia Fabien Reboul |
| Runners-up |  Sergio Galdós  Facundo Mena |
| Score | 6–3, 7–6(7–4) |
Andrej Martin and Hans Podlipnik Castillo were the defending champions [1] but chose not to defend their title.
Sadio Doumbia and Fabien Reboul won the title after defeating Sergio Galdós and Facundo Mena 6–3, 7–6(7–4) in the final.
Tomislav Draganja / 
Luca Margaroli (quarterfinals)
Ruben Gonzales / 
Andreas Siljeström (first round) Ivan Sabanov / Matej Sabanov (semifinals) Sadio Doumbia / Fabien Reboul (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | T Draganja L Margaroli | 6 | 6 | ||||||||||||||||||||||||
 D Popko  A Tabilo | 4 | 3 | 1 | T Draganja L Margaroli | 2 | 4 | |||||||||||||||||||||
| WC |  Lucas Gerch Milan Radojković | 2 | 2 | S Galdós F Mena | 6 | 6 | |||||||||||||||||||||
| S Galdós F Mena | 6 | 6 | S Galdós F Mena | 77 | 6 | ||||||||||||||||||||||
| 3 | I Sabanov M Sabanov | 77 | 7 | 3 | I Sabanov M Sabanov | 63 | 3 | ||||||||||||||||||||
 C O'Connell D Petrović | 64 | 5 | 3 | I Sabanov M Sabanov | 6 | 7 | |||||||||||||||||||||
 T Griekspoor J Sels | 2 | 2 |  Z Kolář N Serdarušić | 4 | 5 | ||||||||||||||||||||||
| Z Kolář N Serdarušić | 6 | 6 | S Galdós F Mena | 3 | 64 | ||||||||||||||||||||||
| F Coria Matías Zukas | 3 | 4 | 4 | S Doumbia F Reboul | 6 | 77 | |||||||||||||||||||||
 A Arnaboldi F Baldi | 6 | 6 | A Arnaboldi F Baldi | 3 | 5 | ||||||||||||||||||||||
| WC |  Gao Qun A Šančić | 62 | 5 | 4 | S Doumbia F Reboul | 6 | 7 | ||||||||||||||||||||
| 4 | S Doumbia F Reboul | 77 | 7 | 4 | S Doumbia F Reboul | 6 | 6 | ||||||||||||||||||||
C Berlocq  R Dutra Silva | 1 | 6 | [10] | WC |  N Malešević V Tadić | 4 | 1 | ||||||||||||||||||||
GM Moroni  Jaume Pla Malfeito | 6 | 3 | [7] | C Berlocq R Dutra Silva | |||||||||||||||||||||||
| WC | Nemanja Malešević Vladan Tadić | 7 | 6 | WC | N Malešević V Tadić | w/o | |||||||||||||||||||||
| 2 | R Gonzales A Siljeström | 5 | 3 | ||||||||||||||||||||||||
Kevin Krawietz and Andreas Mies were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Orlando Luz and Rafael Matos were the defending champions but only Matos chose to defend his title, partnering João Menezes. Matos withdrew from the tournament before his quarterfinal match.
This was the first edition of the tournament.
Hugo Nys and Tim Pütz were the defending champions but chose not to defend their title.
Andrés Molteni and Hugo Nys were the defending champions but chose not to defend their title.
Sadio Doumbia and Fabien Reboul were the defending champions but chose not to defend their title.
Denys Molchanov and Andrei Vasilevski were the defending champions but only Molchanov chose to defend his title, partnering Aleksandr Nedovyesov. Molchanov lost in the semifinals to Sadio Doumbia and Fabien Reboul.
Marco Bortolotti and Arjun Kadhe were the defending champions but lost in the first round to Kaichi Uchida and Wu Tung-lin.
Sadio Doumbia and Fabien Reboul were the defending champions but lost in the quarterfinals to Victor Vlad Cornea and Fabian Fallert.
Enzo Couacaud and Manuel Guinard were the defending champions but chose not to defend their title.
Szymon Walków and Jan Zieliński were the defending champions but chose not to defend his title.
Sadio Doumbia and Fabien Reboul were the two-time defending champions but lost in the final to Jesper de Jong and Bart Stevens.
Vitaliy Sachko and Dominic Stricker were the defending champions but chose not to defend their title.
Nuno Borges and Francisco Cabral were the two-time defending champions but only Cabral chose to defend his title, partnering João Domingues. Cabral lost in the quarterfinals to Sadio Doumbia and Fabien Reboul.
Sadio Doumbia and Fabien Reboul were the defending champions but lost in the semifinals to Filip Bergevi and Petros Tsitsipas.
Lloyd Glasspool and Harri Heliövaara were the defending champions but chose not to defend their title.
Nathaniel Lammons and Albano Olivetti were the defending champions but chose not to defend their title.
Sadio Doumbia and Fabien Reboul were the defending champions but chose not to defend their title.
Rafael Matos and David Vega Hernández were the defending champions but chose to defend their title with different partners. Matos partnered Francisco Cabral but lost in the semifinals to Sadio Doumbia and Fabien Reboul. Vega Hernández partnered Diego Hidalgo but lost in the first round to Patrik Niklas-Salminen and Bart Stevens.