2019 Banja Luka Challenger – Doubles
# 2019 Banja Luka Challenger – Doubles

Andrej Martin and Hans Podlipnik Castillo were the defending champions 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.

## Seeds

* Tomislav Draganja / Luca Margaroli (quarterfinals)
* Ruben Gonzales / Andreas Siljeström (first round)
* Ivan Sabanov / Matej Sabanov (semifinals)
* Sadio Doumbia / Fabien Reboul (champions)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | 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 | $7^7$ | 6 | | | | |
| 3 | I Sabanov M Sabanov | $7^7$ | 7 | | | | | | 3 | I Sabanov M Sabanov | $6^3$ | 3 | | | | |
| | C O'Connell D Petrović | $6^4$ | 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 | $6^4$ |
| | F Coria Matías Zukas | 3 | 4 | | | | | | | | | | 4 | S Doumbia F Reboul | 6 | $7^7$ |
| | A Arnaboldi F Baldi | 6 | 6 | | | A Arnaboldi F Baldi | 3 | 5 | | | | | | | | |
| WC | Gao Qun A Šančić | $6^2$ | 5 | | 4 | S Doumbia F Reboul | 6 | 7 | | | | | | | | |
| 4 | S Doumbia F Reboul | $7^7$ | 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 | | | | | | | | | | | | | |
