2019 Banja Luka Challenger – Singles

Alessandro Giannessi was the defending champion but chose not to defend his title. Tallon Griekspoor won the title after defeating Sumit Nagal 6–2, 6–3 in the final.

2019 Banja Luka Challenger – Singles

Alessandro Giannessi was the defending champion but chose not to defend his title. Tallon Griekspoor won the title after defeating Sumit Nagal 6–2, 6–3 in the final.