2025 Bratislava Open

The 2025 Bratislava Open was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Bratislava, Slovakia between 9 and 15 June 2025.

Singles main-draw entrants

¹ Rankings are as of 26 May 2025.

The following players received wildcards into the singles main draw:

The following player received entry into the singles main draw through the Next Gen Accelerator programme:

The following player received entry into the singles main draw as an alternate:

The following players received entry from the qualifying draw:

The following player received entry as a lucky loser:

Dino Prižmić def. Valentin Royer 6–4, 7–6.

Andrew Paulson / Matěj Vocel def. Jiří Barnat / Filip Duda 6–1, 6–4.