Kazakhstan's Alexander Bublik holds the trophy after defeating Russia's Daniil Medvedev in their men's single final of the Halle tennis tournament, Germany.

Kazakhstan's Alexander Bublik, left, is sprayed with sparkling wine by Russia's Daniil Medvedev after winning their men's single final of the Halle tennis tournament, Germany.

Kazakhstan's Alexander Bublik reacts after defeating Russia's Daniil Medvedev in their men's single final of the Halle tennis tournament, Germany.

Kazakhstan's Alexander Bublik reacts after defeating Russia's Daniil Medvedev in their men's single final of the Halle tennis tournament, Germany.

Kazakhstan's Alexander Bublik, bottom left, returns the ball to Russia's Daniil Medvedev during their men's single final of the Halle tennis tournament, Germany.

Kazakhstan's Alexander Bublik returns the ball to Russia's Daniil Medvedev during their men's single final of the Halle tennis tournament, Germany.

Russia's Daniil Medvedev returns the ball to Kazakhstan's Alexander Bublik during their men's single final of the Halle tennis tournament, Germany.

Kazakhstan's Alexander Bublik serves a ball to Russia's Daniil Medvedev during their men's single final of the Halle tennis tournament, Germany.