2025 Slovak Open

The 2025 Slovak Open was a professional tennis tournament played on hard courts. It was the 27th edition of the tournament which was part of the 2025 ATP Challenger Tour and the 12th edition of the tournament which was part of the 2025 ITF Women's World Tennis Tour. It took place in Bratislava, Slovakia between 29 September and 5 October 2025 for the women and 27 October and 2 November for the men.

Champions

Men's singles

Alexander Blockx def. Titouan Droguet 6–4, 6–3.
Women's singles
Alina Korneeva def. Lucie Havlíčková 7–6, 7–5.
Men's doubles
Sander Gillé / Sem Verbeek def. Joshua Paris / Marcus Willis 7–6, 6–3.
Women's doubles
Lucie Havlíčková / Lily Miyazaki def. Martyna Kubka / Aneta Laboutková 3–6, 6–3, .
Men's singles main-draw entrants

Seeds

¹ Rankings are as of 20 October 2025.
Other entrants

The following players received wildcards into the singles main draw:

The following players received entry into the singles main draw as alternates:

The following players received entry from the qualifying draw: