2019 Banja Luka Challenger

The 2019 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the eighteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 9 to 15 September 2019.

Seeds

 * 1 Rankings are as of 26 August 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇩🇪 Filip Krolo
 * 🇧🇦 Nemanja Malešević
 * 🇷🇸 Nikola Milojević
 * Matija Pecotić
 * 🇧🇦 Goran Radanović

The following player received entry into the singles main draw as an alternate:
 * 🇪🇸 Jaume Pla Malfeito

The following players received entry from the qualifying draw:
 * 🇫🇷 Fabien Reboul
 * Matej Sabanov

Singles

 * Tallon Griekspoor def. 🇮🇳 Sumit Nagal 6–2, 6–3.

Doubles

 * 🇫🇷 Sadio Doumbia / 🇫🇷 Fabien Reboul def. 🇵🇪 Sergio Galdós / 🇦🇷 Facundo Mena 6–3, 7–6(7–4).