The stellar career of tenor Pavol Breslik began in 2005 when he was named "Young Singer of the Year" in the critics' poll conducted by Opernwelt magazine.

From 2003 to 2006 Pavol Breslik was a member of the ensemble of the Berlin State Opera Unter den Linden. Since 2006 he has been a regular guest at the great European opera houses.

At the Vienna State Opera he sang Lenski, Nemorino, Don Ottavio and Alfredo, at the Bavarian State Opera he made two important role debuts: Gennaro (Lucrezia Borgia) alongside Edita Gruberova and Edgardo (Lucia di Lammermoor) with Diana Damrau. At Covent Garden he was heard as Lenski in Onegin as well as Ferrando, Don Ottavio and Tamino. He has also made guest appearances at the Paris Opera, Liceu Barcelona, Théâtre Royal de la Monnaie in Brussels, Berlin State Opera, Salzburg Festival, Aix Festival, Theater an der Wien, Semperoper Dresden and Geneva Grand Théâtre.
From 2012 to 2018 he was an ensemble member of the Zurich Opera House, where he sang Stewa, Don Ottavio, Nadir, Peter Quint and Leicester, among others.

In 2021 he was awarded the honorary title of "Bayerischer Kammersänger".

After successful role debuts as Hans (The Bartered Bride) at the Bavarian State Opera in Munich, as Edwin (The Csardas Princess) at the Zurich Opera House, he recently debuted the role of the Prince (Rusalka) at the National Theatre in Prague with great success. Further additions to his repertoire are Matteo (Arabella) at Opernhaus Zürich, Faust (Mefistofele) and Lohengrin at Semperoper Dresden and 

Projects in the current season include:

Hans (The Bartered Bride) in a new production at Wiener Staatsoper, his longawated return to the Metropolitan Opera New York as Matteo (Arabella), Alfred (Fledermaus) at Bayerische Staatsoper Munich and his role debut as Rodolfo (Luisa Miller) at Hamburgische Staatsoper.