2021 Banja Luka Challenger

2021 Banja Luka Challenger
Date	6–12 September
Edition	19th
Surface	Clay
Location	Banja Luka, Bosnia and Herzegovina
Champions
Singles
Juan Manuel Cerúndolo
Doubles
Antonio Šančić / Nino Serdarušić

The 2021 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the nineteenth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 6 to 12 September 2021.

Country	Player	Rank1	Seed
SVK	Andrej Martin	122	1
ARG	Juan Manuel Cerúndolo	135	2
ARG	Tomás Martín Etcheverry	142	3
SRB	Nikola Milojević	160	4
IND	Sumit Nagal	164	5
SRB	Danilo Petrović	177	6
CZE	Zdeněk Kolář	182	7
CZE	Vít Kopřiva	202	8

• ¹ Rankings are as of 30 August 2021.^[1]

The following players received wildcards into the singles main draw:

• Dražen Petrović
• Vladan Tadić
• Marko Topo

The following players received entry from the qualifying draw:

• Martín Cuevas
• Jonathan Mridha
• David Poljak
• Marko Tepavac

• Juan Manuel Cerúndolo def. Nikola Milojević 6–3, 6–1.

• Antonio Šančić / Nino Serdarušić def. Ivan Sabanov / Matej Sabanov 6–3, 6–3.