Jannik Sinner lifts his fourth ATP Challenger Tour trophy of 2019 in Ortisei.

Jannik Sinner celebrates his fourth Challenger title of 2019 in Ortisei.

Jannik Sinner is back in action at the Ortisei Challenger.

Jannik Sinner is back in action at the Ortisei Challenger.

Ugo Humbert is the champion in Ortisei, Italy, claiming his second ATP Challenger Tour title.

Kevin Krawietz has been producing his best tennis of the year on indoor courts.

Kevin Krawietz is producing his best tennis of the year on indoor courts.

Ricardas Berankis wins his fifth ATP Challenger Tour title on the hard courts of Ortisei.