The 38-year-old, playing in Switzerland in a bid to find form ahead of the French Open, recovered from losing the first set to clinch a 5-7, 7-6 (7/2), 7-6 (7/2) win after three hours and five minutes on court.
Djokovic joins Jimmy Connors and Roger Federer as the only players with a century of tour titles.
It was the former world number one’s first tournament triumph since clinching his maiden Olympic gold medal against Carlos Alcaraz at the Paris Games last summer.
Djokovic had lost both of his previous matches on clay this season prior to the Geneva tournament, against Alejandro Tabilo and Matteo Arnaldi at the Monte Carlo and Madrid Masters, respectively.
But he decided to play in Geneva in a bid to find form ahead of the start of the year’s second Grand Slam event on Sunday at Roland Garros, where the Serb will be targeting a record-breaking 25th major singles trophy.
It was Djokovic’s first tournament since splitting from coach and old rival Andy Murray, but he showed no ill-effects.
Poland’s former world number six Hurkacz, now ranked 31st, is still waiting for his first title since April 2024.
Djokovic starts his French Open campaign against American Mackenzie McDonald on either Monday or on Tuesday. (AFP)
