Jannik Sinner capped one of the the most successful ATP Tour seasons in recent memory in November, when he charged to his maiden Nitto ATP Finals crown without dropping a set in Turin. Prior to that in early November, Alexander Zverev clinched the Rolex Paris Masters crown to round out the ATP Masters 1000 season in style. In October, Jannik Sinner lifted his seventh tropy of the year when he won the Rolex Shanghai Masters. In September, the Italian lifted his second major trophy of the year at the US Open.

At ATP Masters 1000 events in August, Alexei Popyrin won in Montreal and Sinner soared to success in Cincinnati. In July, Carlos Alcaraz captured his second major crown of the year at Wimbledon, having triumphed at Roland Garros in June. During the European clay swing, Stefanos Tsitsipas (Monte-Carlo), Andrey Rublev (Madrid) and Alexander Zverev (Rome) each lifted an ATP Masters 1000 trophy.

In January, Germany won the second edition of the United Cup and Sinner lifted the Australian Open trophy. Sinner also triumphed in Rotterdam in February, Miami in March, and in Halle in June, while Alcaraz captured the Masters 1000 title in Indian Wells.

ATPTour.com looks at key moments from the year.