2021 Bratislava Open

The 2021 Bratislava Open was a professional tennis tournament played on clay courts. It was the 2nd edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Bratislava, Slovakia between 7 and 13 June 2021.

2021 Bratislava Open
Date	7–13 June
Edition	2nd
Category	ATP Challenger Tour
Surface	Clay
Location	Bratislava, Slovakia
Champions
Singles
Tallon Griekspoor
Doubles
Denys Molchanov / Aleksandr Nedovyesov

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
SVK	Norbert Gombos	81	1
ARG	Federico Coria	94	2
BOL	Hugo Dellien	124	3
SVK	Jozef Kovalík	127	4
NED	Tallon Griekspoor	131	5
ARG	Juan Manuel Cerúndolo	147	6
SLO	Blaž Rola	155	7
POR	Frederico Ferreira Silva	168	8

• ¹ Rankings are as of 31 May 2021.

Other entrants

The following players received wildcards into the singles main draw:

• Miloš Karol
• Lukáš Klein
• Alex Molčan

The following player received entry into the singles main draw using a protected ranking:

• Andrey Kuznetsov

The following players received entry from the qualifying draw:

• Duje Ajduković
• Uladzimir Ignatik
• Vít Kopřiva
• Jiří Lehečka

The following player received entry as a lucky loser:

• Lucas Miedler

Champions

Singles

Main article: 2021 Bratislava Open – Singles

• Tallon Griekspoor def. Sebastián Báez 7–6^(8–6), 6–3.

Doubles

Main article: 2021 Bratislava Open – Doubles

• Denys Molchanov / Aleksandr Nedovyesov def. Sander Arends / Luis David Martínez 7–6^(7–5), 6–1.