Winner Novak Djokovic of Serbia poses with the trophy after the final match of the ATP 250 Geneva Open tennis against Hubert Hurkacz of Poland, in Geneva, Switzerland.

Winner Novak Djokovic of Serbia, right, and second placed Hubert Hurkacz of Poland pose with their trophies after the final match of the ATP 250 Geneva Open tennis in Geneva, Switzerland.

Winner Novak Djokovic of Serbia poses with the trophy after the final match of the ATP 250 Geneva Open tennis against Hubert Hurkacz of Poland, in Geneva, Switzerland.

Novak Djokovic of Serbia celebrates after winning the final match of the ATP 250 Geneva Open tennis against Hubert Hurkacz of Poland, in Geneva, Switzerland.

Novak Djokovic of Serbia returns a ball to Hubert Hurkacz of Poland during their final match of the ATP 250 Geneva Open tennis, in Geneva, Switzerland.

Hubert Hurkacz of Poland returns a ball to Novak Djokovic of Serbia during their final match of the ATP 250 Geneva Open tennis, in Geneva, Switzerland.

Novak Djokovic of Serbia returns a ball to Hubert Hurkacz of Poland during their final match of the ATP 250 Geneva Open tennis, in Geneva, Switzerland.

Hubert Hurkacz of Poland returns a ball to Novak Djokovic of Serbia during their final match of the ATP 250 Geneva Open tennis, in Geneva, Switzerland.