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.
Singles main-draw entrants Seeds Country Player Rank1 SeedNorbert Gombos811Federico Coria942Hugo Dellien1243Jozef Kovalík1274Tallon Griekspoor1315Juan Manuel Cerúndolo1476Blaž Rola1557Frederico Ferreira Silva1688 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
Tallon Griekspoor def. Sebastián Báez 7–6(8–6), 6–3.
Doubles
Denys Molchanov / Aleksandr Nedovyesov def. Sander Arends / Luis David Martínez 7–6(7–5), 6–1.
References